321012023130 has 64 divisors (see below), whose sum is σ = 856346342400. Its totient is φ = 85571778240.

The previous prime is 321012023119. The next prime is 321012023153. The reversal of 321012023130 is 31320210123.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 523191 + ... + 956949.

It is an arithmetic number, because the mean of its divisors is an integer number (13380411600).

Almost surely, 2^321012023130 is an apocalyptic number.

321012023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321012023130 is an abundant number, since it is smaller than the sum of its proper divisors (535334319270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321012023130 is a wasteful number, since it uses less digits than its factorization.

321012023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436516 (or 436510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321012023130 its reverse (31320210123), we get a palindrome (352332233253).

The spelling of 321012023130 in words is "three hundred twenty-one billion, twelve million, twenty-three thousand, one hundred thirty".