2121512936676 has 96 divisors (see below), whose sum is σ = 5991591658752. Its totient is φ = 570353971200.

The previous prime is 2121512936651. The next prime is 2121512936813. The reversal of 2121512936676 is 6766392151212.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5845726 + ... + 6198026.

It is an arithmetic number, because the mean of its divisors is an integer number (62412413112).

Almost surely, 2^{2121512936676} is an apocalyptic number.

It is an amenable number.

2121512936676 is an abundant number, since it is smaller than the sum of its proper divisors (3870078722076).

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

2121512936676 is a wasteful number, since it uses less digits than its factorization.

2121512936676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356549 (or 356547 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 2121512936676 in words is "two trillion, one hundred twenty-one billion, five hundred twelve million, nine hundred thirty-six thousand, six hundred seventy-six".