321200130123002 has 64 divisors (see below), whose sum is σ = 532563428275200. Its totient is φ = 144364413812736.

The previous prime is 321200130122959. The next prime is 321200130123029. The reversal of 321200130123002 is 200321031002123.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277989374 + ... + 279142422.

It is an arithmetic number, because the mean of its divisors is an integer number (8321303566800).

Almost surely, 2^{321200130123002} is an apocalyptic number.

321200130123002 is a deficient number, since it is larger than the sum of its proper divisors (211363298152198).

321200130123002 is a wasteful number, since it uses less digits than its factorization.

321200130123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154255.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321200130123002 its reverse (200321031002123), we get a palindrome (521521161125125).

The spelling of 321200130123002 in words is "three hundred twenty-one trillion, two hundred billion, one hundred thirty million, one hundred twenty-three thousand, two".