2120656226126 has 16 divisors (see below), whose sum is σ = 3235636225968. Its totient is φ = 1042137748800.

The previous prime is 2120656226111. The next prime is 2120656226179. The reversal of 2120656226126 is 6216226560212.

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, 6574655 + ... + 6889658.

It is an arithmetic number, because the mean of its divisors is an integer number (202227264123).

Almost surely, 2^{2120656226126} is an apocalyptic number.

2120656226126 is a deficient number, since it is larger than the sum of its proper divisors (1114979999842).

2120656226126 is a wasteful number, since it uses less digits than its factorization.

2120656226126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13465667.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 2120656226126 in words is "two trillion, one hundred twenty billion, six hundred fifty-six million, two hundred twenty-six thousand, one hundred twenty-six".