12256510342001 has 4 divisors (see below), whose sum is σ = 12270422386404. Its totient is φ = 12242598297600.

The previous prime is 12256510341991. The next prime is 12256510342049. The reversal of 12256510342001 is 10024301565221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 895296332401 + 11361214009600 = 946201^2 + 3370640^2 .

It is a cyclic number.

It is not a de Polignac number, because 12256510342001 - 2¹⁸ = 12256510079857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256510348001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6956020880 + ... + 6956022641.

It is an arithmetic number, because the mean of its divisors is an integer number (3067605596601).

Almost surely, 2^{12256510342001} is an apocalyptic number.

It is an amenable number.

12256510342001 is a deficient number, since it is larger than the sum of its proper divisors (13912044403).

12256510342001 is an equidigital number, since it uses as much as digits as its factorization.

12256510342001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13912044402.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 12256510342001 in words is "twelve trillion, two hundred fifty-six billion, five hundred ten million, three hundred forty-two thousand, one".