321020310113012 has 12 divisors (see below), whose sum is σ = 562164871231236. Its totient is φ = 160401775475520.

The previous prime is 321020310113011. The next prime is 321020310113033. The reversal of 321020310113012 is 210311013020123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47410468296676 + 273609841816336 = 6885526^2 + 16541156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321020310113011) 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, 27094888583 + ... + 27094900430.

It is an arithmetic number, because the mean of its divisors is an integer number (46847072602603).

Almost surely, 2^{321020310113012} is an apocalyptic number.

It is an amenable number.

321020310113012 is a deficient number, since it is larger than the sum of its proper divisors (241144561118224).

321020310113012 is a wasteful number, since it uses less digits than its factorization.

321020310113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54189790498 (or 54189790496 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321020310113012 its reverse (210311013020123), we get a palindrome (531331323133135).

The spelling of 321020310113012 in words is "three hundred twenty-one trillion, twenty billion, three hundred ten million, one hundred thirteen thousand, twelve".