2121212000108 has 12 divisors (see below), whose sum is σ = 3712158759960. Its totient is φ = 1060595211552.

The previous prime is 2121212000101. The next prime is 2121212000113. The reversal of 2121212000108 is 8010002121212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121212000108.

It is not an unprimeable number, because it can be changed into a prime (2121212000101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246366 + ... + 3047717.

It is an arithmetic number, because the mean of its divisors is an integer number (309346563330).

Almost surely, 2^{2121212000108} is an apocalyptic number.

It is an amenable number.

2121212000108 is a deficient number, since it is larger than the sum of its proper divisors (1590946759852).

2121212000108 is a wasteful number, since it uses less digits than its factorization.

2121212000108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394256 (or 5394254 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 2121212000108 in words is "two trillion, one hundred twenty-one billion, two hundred twelve million, one hundred eight", and thus it is an aban number.