2031213123120 has 40 divisors (see below), whose sum is σ = 6296760682416. Its totient is φ = 541656832768.

The previous prime is 2031213123073. The next prime is 2031213123211. The reversal of 2031213123120 is 213213121302.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231693767 + ... + 4231694246.

Almost surely, 2^{2031213123120} is an apocalyptic number.

2031213123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031213123120 is an abundant number, since it is smaller than the sum of its proper divisors (4265547559296).

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

2031213123120 is a wasteful number, since it uses less digits than its factorization.

2031213123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463388029 (or 8463388023 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2031213123120 its reverse (213213121302), we get a palindrome (2244426244422).

The spelling of 2031213123120 in words is "two trillion, thirty-one billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred twenty".