12149626180 has 24 divisors (see below), whose sum is σ = 25526813760. Its totient is φ = 4857450720.

The previous prime is 12149626157. The next prime is 12149626187. The reversal of 12149626180 is 8162694121.

It is a super-2 number, since 2×12149626180² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12149626187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108186 + ... + 189745.

It is an arithmetic number, because the mean of its divisors is an integer number (1063617240).

Almost surely, 2^12149626180 is an apocalyptic number.

12149626180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12149626180 is an abundant number, since it is smaller than the sum of its proper divisors (13377187580).

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

12149626180 is a wasteful number, since it uses less digits than its factorization.

12149626180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299979 (or 299977 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 12149626180 in words is "twelve billion, one hundred forty-nine million, six hundred twenty-six thousand, one hundred eighty".