12051167955 has 16 divisors (see below), whose sum is σ = 19285063584. Its totient is φ = 6426224640.

The previous prime is 12051167951. The next prime is 12051167957. The reversal of 12051167955 is 55976115021.

It is not a de Polignac number, because 12051167955 - 2² = 12051167951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12051167951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31665 + ... + 158445.

It is an arithmetic number, because the mean of its divisors is an integer number (1205316474).

Almost surely, 2^12051167955 is an apocalyptic number.

12051167955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12051167955 is a deficient number, since it is larger than the sum of its proper divisors (7233895629).

12051167955 is a wasteful number, since it uses less digits than its factorization.

12051167955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133126.

The product of its (nonzero) digits is 94500, while the sum is 42.

The spelling of 12051167955 in words is "twelve billion, fifty-one million, one hundred sixty-seven thousand, nine hundred fifty-five".