12177233705 has 64 divisors (see below), whose sum is σ = 19073553408. Its totient is φ = 7242670080.

The previous prime is 12177233701. The next prime is 12177233707. The reversal of 12177233705 is 50733277121.

It is not a de Polignac number, because 12177233705 - 2² = 12177233701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12177233701) 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 63 ways as a sum of consecutive naturals, for example, 8221565 + ... + 8223045.

It is an arithmetic number, because the mean of its divisors is an integer number (298024272).

Almost surely, 2^12177233705 is an apocalyptic number.

It is an amenable number.

12177233705 is a deficient number, since it is larger than the sum of its proper divisors (6896319703).

12177233705 is a wasteful number, since it uses less digits than its factorization.

12177233705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 12177233705 in words is "twelve billion, one hundred seventy-seven million, two hundred thirty-three thousand, seven hundred five".