2131727271812 has 24 divisors (see below), whose sum is σ = 3820521442752. Its totient is φ = 1040446988000.

The previous prime is 2131727271767. The next prime is 2131727271917. The reversal of 2131727271812 is 2181727271312.

It is a super-2 number, since 2×2131727271812² (a number of 25 digits) contains 22 as substring.

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, 37130138 + ... + 37187505.

It is an arithmetic number, because the mean of its divisors is an integer number (159188393448).

Almost surely, 2^{2131727271812} is an apocalyptic number.

It is an amenable number.

2131727271812 is a deficient number, since it is larger than the sum of its proper divisors (1688794170940).

2131727271812 is a wasteful number, since it uses less digits than its factorization.

2131727271812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74317819 (or 74317817 counting only the distinct ones).

The product of its digits is 131712, while the sum is 44.

The spelling of 2131727271812 in words is "two trillion, one hundred thirty-one billion, seven hundred twenty-seven million, two hundred seventy-one thousand, eight hundred twelve".