12292620144 has 40 divisors (see below), whose sum is σ = 36292498560. Its totient is φ = 3512177088.

The previous prime is 12292620107. The next prime is 12292620157. The reversal of 12292620144 is 44102629221.

It is a happy number.

It is a super-2 number, since 2×12292620144² (a number of 21 digits) contains 22 as substring.

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, 18292254 + ... + 18292925.

It is an arithmetic number, because the mean of its divisors is an integer number (907312464).

Almost surely, 2^12292620144 is an apocalyptic number.

12292620144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12292620144 is an abundant number, since it is smaller than the sum of its proper divisors (23999878416).

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

12292620144 is a wasteful number, since it uses less digits than its factorization.

12292620144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36585197 (or 36585191 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 12292620144 in words is "twelve billion, two hundred ninety-two million, six hundred twenty thousand, one hundred forty-four".