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12204327072 = 253720039067
BaseRepresentation
bin10110101110110111…
…10100000010100000
31011111112121001101210
423113123310002200
5144443301431242
65335005030120
7611302032330
oct132733640240
934445531353
1012204327072
1151a302a623
122447255340
1311c65a5512
1483ac090c0
154b6681d9c
hex2d76f40a0

12204327072 has 96 divisors (see below), whose sum is σ = 36635300352. Its totient is φ = 3484825344.

The previous prime is 12204327071. The next prime is 12204327097. The reversal of 12204327072 is 27072340221.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (12204327071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341483 + ... + 1350549.

It is an arithmetic number, because the mean of its divisors is an integer number (381617712).

Almost surely, 212204327072 is an apocalyptic number.

12204327072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12204327072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18317650176).

12204327072 is an abundant number, since it is smaller than the sum of its proper divisors (24430973280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12204327072 is a wasteful number, since it uses less digits than its factorization.

12204327072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090 (or 11082 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

Adding to 12204327072 its reverse (27072340221), we get a palindrome (39276667293).

The spelling of 12204327072 in words is "twelve billion, two hundred four million, three hundred twenty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 2003 4006 6009 8012 9067 12018 14021 16024 18134 24036 27201 28042 32048 36268 42063 48072 54402 56084 63469 64096 72536 84126 96144 108804 112168 126938 145072 168252 190407 192288 217608 224336 253876 290144 336504 380814 435216 448672 507752 673008 761628 870432 1015504 1346016 1523256 2031008 3046512 6093024 18161201 36322402 54483603 72644804 108967206 127128407 145289608 217934412 254256814 290579216 381385221 435868824 508513628 581158432 762770442 871737648 1017027256 1525540884 1743475296 2034054512 3051081768 4068109024 6102163536 12204327072