12156352007 has 2 divisors, whose sum is σ = 12156352008. Its totient is φ = 12156352006.

The previous prime is 12156351971. The next prime is 12156352123. The reversal of 12156352007 is 70025365121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12156352007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12156352807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078176003 + 6078176004.

It is an arithmetic number, because the mean of its divisors is an integer number (6078176004).

Almost surely, 2^12156352007 is an apocalyptic number.

12156352007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12156352007 is an equidigital number, since it uses as much as digits as its factorization.

12156352007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 12156352007 in words is "twelve billion, one hundred fifty-six million, three hundred fifty-two thousand, seven".