321120122012 has 12 divisors (see below), whose sum is σ = 562406576760. Its totient is φ = 160432528656.

The previous prime is 321120121979. The next prime is 321120122023. The reversal of 321120122012 is 210221021123.

It is a super-2 number, since 2×321120122012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 31877423 + ... + 31887494.

It is an arithmetic number, because the mean of its divisors is an integer number (46867214730).

Almost surely, 2^321120122012 is an apocalyptic number.

It is an amenable number.

321120122012 is a deficient number, since it is larger than the sum of its proper divisors (241286454748).

321120122012 is a wasteful number, since it uses less digits than its factorization.

321120122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63766180 (or 63766178 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 321120122012 its reverse (210221021123), we get a palindrome (531341143135).

The spelling of 321120122012 in words is "three hundred twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, twelve".