321120131011212 has 48 divisors (see below), whose sum is σ = 807966559806560. Its totient is φ = 98677707522048.

The previous prime is 321120131011201. The next prime is 321120131011223. The reversal of 321120131011212 is 212110131021123.

It is an interprime number because it is at equal distance from previous prime (321120131011201) and next prime (321120131011223).

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, 1338282103 + ... + 1338522030.

Almost surely, 2^{321120131011212} is an apocalyptic number.

It is an amenable number.

321120131011212 is an abundant number, since it is smaller than the sum of its proper divisors (486846428795348).

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

321120131011212 is a wasteful number, since it uses less digits than its factorization.

321120131011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676804922 (or 2676804920 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 321120131011212 its reverse (212110131021123), we get a palindrome (533230262032335).

The spelling of 321120131011212 in words is "three hundred twenty-one trillion, one hundred twenty billion, one hundred thirty-one million, eleven thousand, two hundred twelve".