12149150026512 has 20 divisors (see below), whose sum is σ = 31385304235280. Its totient is φ = 4049716675488.

The previous prime is 12149150026511. The next prime is 12149150026523. The reversal of 12149150026512 is 21562005194121.

It is a super-2 number, since 2×12149150026512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12149150026511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126553646062 + ... + 126553646157.

It is an arithmetic number, because the mean of its divisors is an integer number (1569265211764).

Almost surely, 2^{12149150026512} is an apocalyptic number.

12149150026512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12149150026512 is an abundant number, since it is smaller than the sum of its proper divisors (19236154208768).

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

12149150026512 is a wasteful number, since it uses less digits than its factorization.

12149150026512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253107292230 (or 253107292224 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 12149150026512 in words is "twelve trillion, one hundred forty-nine billion, one hundred fifty million, twenty-six thousand, five hundred twelve".