321103001212 has 48 divisors (see below), whose sum is σ = 680574763008. Its totient is φ = 129407788800.

The previous prime is 321103001201. The next prime is 321103001227. The reversal of 321103001212 is 212100301123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254833 + ... + 840919.

It is an arithmetic number, because the mean of its divisors is an integer number (14178640896).

Almost surely, 2^321103001212 is an apocalyptic number.

It is an amenable number.

321103001212 is an abundant number, since it is smaller than the sum of its proper divisors (359471761796).

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

321103001212 is a wasteful number, since it uses less digits than its factorization.

321103001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587266 (or 587264 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321103001212 its reverse (212100301123), we get a palindrome (533203302335).

The spelling of 321103001212 in words is "three hundred twenty-one billion, one hundred three million, one thousand, two hundred twelve".