12177133563 has 16 divisors (see below), whose sum is σ = 18567660800. Its totient is φ = 6953851296.

The previous prime is 12177133559. The next prime is 12177133571. The reversal of 12177133563 is 36533177121.

It is a happy number.

It is not a de Polignac number, because 12177133563 - 2² = 12177133559 is a prime.

It is a super-2 number, since 2×12177133563² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12177133663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154645 + ... + 219702.

It is an arithmetic number, because the mean of its divisors is an integer number (1160478800).

Almost surely, 2^12177133563 is an apocalyptic number.

12177133563 is a deficient number, since it is larger than the sum of its proper divisors (6390527237).

12177133563 is a wasteful number, since it uses less digits than its factorization.

12177133563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375906.

The product of its digits is 79380, while the sum is 39.

The spelling of 12177133563 in words is "twelve billion, one hundred seventy-seven million, one hundred thirty-three thousand, five hundred sixty-three".