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12213323101 = 719803911423
BaseRepresentation
bin10110101111111100…
…01000010101011101
31011112011112002122001
423113332020111131
5200003102314401
65335525522301
7611441350660
oct132776102535
934464462561
1012213323101
1151a8114461
12244a273391
1311c8405105
1483c0ab6d7
154b735c601
hex2d7f8855d

12213323101 has 16 divisors (see below), whose sum is σ = 14695833600. Its totient is φ = 9915483888.

The previous prime is 12213323077. The next prime is 12213323147. The reversal of 12213323101 is 10132331221.

It is a cyclic number.

It is not a de Polignac number, because 12213323101 - 227 = 12079105373 is a prime.

It is a super-2 number, since 2×122133231012 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213323191) 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, 1063476 + ... + 1074898.

It is an arithmetic number, because the mean of its divisors is an integer number (918489600).

Almost surely, 212213323101 is an apocalyptic number.

It is an amenable number.

12213323101 is a deficient number, since it is larger than the sum of its proper divisors (2482510499).

12213323101 is a wasteful number, since it uses less digits than its factorization.

12213323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19488.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12213323101 its reverse (10132331221), we get a palindrome (22345654322).

The spelling of 12213323101 in words is "twelve billion, two hundred thirteen million, three hundred twenty-three thousand, one hundred one".

Divisors: 1 7 19 133 8039 11423 56273 79961 152741 217037 1069187 1519259 91829497 642806479 1744760443 12213323101