12155842888 has 16 divisors (see below), whose sum is σ = 26048234880. Its totient is φ = 5209646928.

The previous prime is 12155842871. The next prime is 12155842901. The reversal of 12155842888 is 88824855121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108534256 + ... + 108534367.

It is an arithmetic number, because the mean of its divisors is an integer number (1628014680).

Almost surely, 2^12155842888 is an apocalyptic number.

It is an amenable number.

12155842888 is an abundant number, since it is smaller than the sum of its proper divisors (13892391992).

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

12155842888 is a wasteful number, since it uses less digits than its factorization.

12155842888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217068636 (or 217068632 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 52.

The spelling of 12155842888 in words is "twelve billion, one hundred fifty-five million, eight hundred forty-two thousand, eight hundred eighty-eight".