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12204102012 = 2233889261509
BaseRepresentation
bin10110101110110101…
…11101000101111100
31011111112011121200020
423113122331011330
5144443222231022
65335000132140
7611300104224
oct132732750574
934445147606
1012204102012
1151a2996523
122447167050
1311c6526c4b
1483ab8b084
154b663a35c
hex2d76bd17c

12204102012 has 24 divisors (see below), whose sum is σ = 28483669200. Its totient is φ = 4066972416.

The previous prime is 12204102011. The next prime is 12204102037. The reversal of 12204102012 is 21020140221.

It is a junction number, because it is equal to n+sod(n) for n = 12204101982 and 12204102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204102011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84087 + ... + 177422.

It is an arithmetic number, because the mean of its divisors is an integer number (1186819550).

Almost surely, 212204102012 is an apocalyptic number.

12204102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12204102012 is an abundant number, since it is smaller than the sum of its proper divisors (16279567188).

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

12204102012 is a wasteful number, since it uses less digits than its factorization.

12204102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265405 (or 265403 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12204102012 its reverse (21020140221), we get a palindrome (33224242233).

The spelling of 12204102012 in words is "twelve billion, two hundred four million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 3889 7778 11667 15556 23334 46668 261509 523018 784527 1046036 1569054 3138108 1017008501 2034017002 3051025503 4068034004 6102051006 12204102012