12177228738116 has 12 divisors (see below), whose sum is σ = 22949392621932. Its totient is φ = 5620259417568.

The previous prime is 12177228738071. The next prime is 12177228738149. The reversal of 12177228738116 is 61183782277121.

It can be written as a sum of positive squares in 2 ways, for example, as 2888143898116 + 9289084840000 = 1699454^2 + 3047800^2 .

It is a super-2 number, since 2×12177228738116² (a number of 27 digits) contains 22 as substring.

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, 117088737815 + ... + 117088737918.

It is an arithmetic number, because the mean of its divisors is an integer number (1912449385161).

Almost surely, 2^{12177228738116} is an apocalyptic number.

It is an amenable number.

12177228738116 is a deficient number, since it is larger than the sum of its proper divisors (10772163883816).

12177228738116 is a wasteful number, since it uses less digits than its factorization.

12177228738116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234177475750 (or 234177475748 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 56.

The spelling of 12177228738116 in words is "twelve trillion, one hundred seventy-seven billion, two hundred twenty-eight million, seven hundred thirty-eight thousand, one hundred sixteen".