2125312213122 has 24 divisors (see below), whose sum is σ = 5262677861376. Its totient is φ = 607232060856.

The previous prime is 2125312213093. The next prime is 2125312213163. The reversal of 2125312213122 is 2213122135212.

2125312213122 is a `hidden beast` number, since 2 + 1 + 2 + 531 + 2 + 2 + 1 + 3 + 122 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8433778498 + ... + 8433778749.

It is an arithmetic number, because the mean of its divisors is an integer number (219278244224).

Almost surely, 2^{2125312213122} is an apocalyptic number.

2125312213122 is an abundant number, since it is smaller than the sum of its proper divisors (3137365648254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125312213122 is a wasteful number, since it uses less digits than its factorization.

2125312213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867557262 (or 16867557259 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 2125312213122 its reverse (2213122135212), we get a palindrome (4338434348334).

The spelling of 2125312213122 in words is "two trillion, one hundred twenty-five billion, three hundred twelve million, two hundred thirteen thousand, one hundred twenty-two".