12888149145 has 16 divisors (see below), whose sum is σ = 20928816960. Its totient is φ = 6771086784.

The previous prime is 12888149111. The next prime is 12888149161. The reversal of 12888149145 is 54194188821.

It is not a de Polignac number, because 12888149145 - 2⁶ = 12888149081 is a prime.

It is a super-2 number, since 2×12888149145² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6411010 + ... + 6413019.

It is an arithmetic number, because the mean of its divisors is an integer number (1308051060).

Almost surely, 2^12888149145 is an apocalyptic number.

12888149145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12888149145 is a deficient number, since it is larger than the sum of its proper divisors (8040667815).

12888149145 is a wasteful number, since it uses less digits than its factorization.

12888149145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824104.

The product of its digits is 737280, while the sum is 51.

The spelling of 12888149145 in words is "twelve billion, eight hundred eighty-eight million, one hundred forty-nine thousand, one hundred forty-five".