2120105666212 has 24 divisors (see below), whose sum is σ = 3988552659840. Its totient is φ = 982893330720.

The previous prime is 2120105666179. The next prime is 2120105666233. The reversal of 2120105666212 is 2126665010212.

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, 296763739 + ... + 296770882.

It is an arithmetic number, because the mean of its divisors is an integer number (166189694160).

Almost surely, 2^{2120105666212} is an apocalyptic number.

It is an amenable number.

2120105666212 is a deficient number, since it is larger than the sum of its proper divisors (1868446993628).

2120105666212 is a wasteful number, since it uses less digits than its factorization.

2120105666212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593534691 (or 593534689 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 2120105666212 in words is "two trillion, one hundred twenty billion, one hundred five million, six hundred sixty-six thousand, two hundred twelve".