2125115212 has 24 divisors (see below), whose sum is σ = 4151391552. Its totient is φ = 943496400.

The previous prime is 2125115171. The next prime is 2125115227.

It is a happy number.

2125115212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2125115212² = 9032229328547609888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559714 + ... + 563497.

It is an arithmetic number, because the mean of its divisors is an integer number (172974648).

Almost surely, 2^2125115212 is an apocalyptic number.

2125115212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2125115212 is a deficient number, since it is larger than the sum of its proper divisors (2026276340).

2125115212 is a wasteful number, since it uses less digits than its factorization.

2125115212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123269 (or 1123267 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 2125115212 is about 46098.9719191220. The cubic root of 2125115212 is about 1285.6640296147.

It can be divided in two parts, 21251 and 15212, that added together give a palindrome (36463).

The spelling of 2125115212 in words is "two billion, one hundred twenty-five million, one hundred fifteen thousand, two hundred twelve".