12252127620 has 48 divisors (see below), whose sum is σ = 34887424320. Its totient is φ = 3211856256.

The previous prime is 12252127619. The next prime is 12252127627. The reversal of 12252127620 is 2672125221.

It is a super-2 number, since 2×12252127620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12252127627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726987 + ... + 1734066.

It is an arithmetic number, because the mean of its divisors is an integer number (726821340).

Almost surely, 2^12252127620 is an apocalyptic number.

12252127620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252127620 is an abundant number, since it is smaller than the sum of its proper divisors (22635296700).

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

12252127620 is a wasteful number, since it uses less digits than its factorization.

12252127620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461124 (or 3461122 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 12252127620 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-seven thousand, six hundred twenty".