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12111202113 = 317922553449
BaseRepresentation
bin10110100011110001…
…00100011101000001
31011021001100210222020
423101320210131001
5144300431431423
65321441032053
7606061343103
oct132170443501
934231323866
1012111202113
11515550444a
122420025629
1311b01cb0aa
1482c6c7573
154ad3d94e3
hex2d1e24741

12111202113 has 8 divisors (see below), whose sum is σ = 16238484000. Its totient is φ = 8029027488.

The previous prime is 12111202087. The next prime is 12111202127. The reversal of 12111202113 is 31120211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12111202113 - 221 = 12109104961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12111202092 and 12111202101.

It is not an unprimeable number, because it can be changed into a prime (12111202133) 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, 11276188 + ... + 11277261.

It is an arithmetic number, because the mean of its divisors is an integer number (2029810500).

Almost surely, 212111202113 is an apocalyptic number.

It is an amenable number.

12111202113 is a deficient number, since it is larger than the sum of its proper divisors (4127281887).

12111202113 is a wasteful number, since it uses less digits than its factorization.

12111202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22553631.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12111202113 its reverse (31120211121), we get a palindrome (43231413234).

The spelling of 12111202113 in words is "twelve billion, one hundred eleven million, two hundred two thousand, one hundred thirteen".

Divisors: 1 3 179 537 22553449 67660347 4037067371 12111202113