331000012122 has 16 divisors (see below), whose sum is σ = 712923103200. Its totient is φ = 101846157552.

The previous prime is 331000012121. The next prime is 331000012129. The reversal of 331000012122 is 221210000133.

It is a super-2 number, since 2×331000012122² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331000012121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121794872 + ... + 2121795027.

It is an arithmetic number, because the mean of its divisors is an integer number (44557693950).

Almost surely, 2^331000012122 is an apocalyptic number.

331000012122 is an abundant number, since it is smaller than the sum of its proper divisors (381923091078).

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

331000012122 is a wasteful number, since it uses less digits than its factorization.

331000012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243589917.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 331000012122 its reverse (221210000133), we get a palindrome (552210012255).

The spelling of 331000012122 in words is "three hundred thirty-one billion, twelve thousand, one hundred twenty-two".