2121512936675 has 24 divisors (see below), whose sum is σ = 2923976134800. Its totient is φ = 1513806819200.

The previous prime is 2121512936651. The next prime is 2121512936813. The reversal of 2121512936675 is 5766392151212.

It is not a de Polignac number, because 2121512936675 - 2¹⁰ = 2121512935651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72764600 + ... + 72793749.

It is an arithmetic number, because the mean of its divisors is an integer number (121832338950).

Almost surely, 2^{2121512936675} is an apocalyptic number.

2121512936675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2121512936675 is a deficient number, since it is larger than the sum of its proper divisors (802463198125).

2121512936675 is a wasteful number, since it uses less digits than its factorization.

2121512936675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145558423 (or 145558418 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The spelling of 2121512936675 in words is "two trillion, one hundred twenty-one billion, five hundred twelve million, nine hundred thirty-six thousand, six hundred seventy-five".