2251125343212 has 48 divisors (see below), whose sum is σ = 5562016330752. Its totient is φ = 706183015680.

The previous prime is 2251125343189. The next prime is 2251125343213. The reversal of 2251125343212 is 2123435211522.

It is not an unprimeable number, because it can be changed into a prime (2251125343213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394633 + ... + 3199455.

It is an arithmetic number, because the mean of its divisors is an integer number (115875340224).

Almost surely, 2^{2251125343212} is an apocalyptic number.

It is an amenable number.

2251125343212 is an abundant number, since it is smaller than the sum of its proper divisors (3310890987540).

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

2251125343212 is a wasteful number, since it uses less digits than its factorization.

2251125343212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818558 (or 818556 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The spelling of 2251125343212 in words is "two trillion, two hundred fifty-one billion, one hundred twenty-five million, three hundred forty-three thousand, two hundred twelve".