2100122012008 has 32 divisors (see below), whose sum is σ = 4196358524160. Its totient is φ = 983035831360.

The previous prime is 2100122011993. The next prime is 2100122012011. The reversal of 2100122012008 is 8002102210012.

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, 121413763 + ... + 121431058.

It is an arithmetic number, because the mean of its divisors is an integer number (131136203880).

Almost surely, 2^{2100122012008} is an apocalyptic number.

It is an amenable number.

2100122012008 is a deficient number, since it is larger than the sum of its proper divisors (2096236512152).

2100122012008 is a wasteful number, since it uses less digits than its factorization.

2100122012008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242844897 (or 242844893 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 2100122012008 in words is "two trillion, one hundred billion, one hundred twenty-two million, twelve thousand, eight".