2131022321012 has 24 divisors (see below), whose sum is σ = 4016649285600. Its totient is φ = 983428314336.

The previous prime is 2131022321003. The next prime is 2131022321041. The reversal of 2131022321012 is 2101232201312.

It is a super-2 number, since 2×2131022321012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079962 + ... + 2930577.

It is an arithmetic number, because the mean of its divisors is an integer number (167360386900).

Almost surely, 2^{2131022321012} is an apocalyptic number.

It is an amenable number.

2131022321012 is a deficient number, since it is larger than the sum of its proper divisors (1885626964588).

2131022321012 is a wasteful number, since it uses less digits than its factorization.

2131022321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018735 (or 5018733 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2131022321012 its reverse (2101232201312), we get a palindrome (4232254522324).

The spelling of 2131022321012 in words is "two trillion, one hundred thirty-one billion, twenty-two million, three hundred twenty-one thousand, twelve".