2179308121012 has 24 divisors (see below), whose sum is σ = 4164324917760. Its totient is φ = 989683268160.

The previous prime is 2179308120959. The next prime is 2179308121031. The reversal of 2179308121012 is 2101218039712.

It is a happy number.

It is a congruent number.

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, 22734937 + ... + 22830592.

It is an arithmetic number, because the mean of its divisors is an integer number (173513538240).

Almost surely, 2^{2179308121012} is an apocalyptic number.

2179308121012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2179308121012 is a deficient number, since it is larger than the sum of its proper divisors (1985016796748).

2179308121012 is a wasteful number, since it uses less digits than its factorization.

2179308121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45566631 (or 45566629 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 2179308121012 in words is "two trillion, one hundred seventy-nine billion, three hundred eight million, one hundred twenty-one thousand, twelve".