256120610002 has 8 divisors (see below), whose sum is σ = 389043964800. Its totient is φ = 126439288404.

The previous prime is 256120609973. The next prime is 256120610111. The reversal of 256120610002 is 200016021652.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810508102 + ... + 810508417.

It is an arithmetic number, because the mean of its divisors is an integer number (48630495600).

Almost surely, 2^256120610002 is an apocalyptic number.

256120610002 is a deficient number, since it is larger than the sum of its proper divisors (132923354798).

256120610002 is a wasteful number, since it uses less digits than its factorization.

256120610002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621016600.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 256120610002 its reverse (200016021652), we get a palindrome (456136631654).

The spelling of 256120610002 in words is "two hundred fifty-six billion, one hundred twenty million, six hundred ten thousand, two".