3331131221012 has 48 divisors (see below), whose sum is σ = 6895439832960. Its totient is φ = 1377710285952.

The previous prime is 3331131220997. The next prime is 3331131221021. The reversal of 3331131221012 is 2101221311333.

It is a super-2 number, since 2×3331131221012² (a number of 26 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 15 ways as a sum of consecutive naturals, for example, 602378 + ... + 2650494.

It is an arithmetic number, because the mean of its divisors is an integer number (143654996520).

Almost surely, 2^{3331131221012} is an apocalyptic number.

It is an amenable number.

3331131221012 is an abundant number, since it is smaller than the sum of its proper divisors (3564308611948).

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

3331131221012 is a wasteful number, since it uses less digits than its factorization.

3331131221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050160 (or 2050158 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3331131221012 its reverse (2101221311333), we get a palindrome (5432352532345).

The spelling of 3331131221012 in words is "three trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred twenty-one thousand, twelve".