12928991122 has 8 divisors (see below), whose sum is σ = 19398191436. Its totient is φ = 6462927312.

The previous prime is 12928991071. The next prime is 12928991191. The reversal of 12928991122 is 22119982921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12697007761 + 231983361 = 112681^2 + 15231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12928991122² (a number of 21 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, 773793 + ... + 790324.

Almost surely, 2^12928991122 is an apocalyptic number.

12928991122 is a deficient number, since it is larger than the sum of its proper divisors (6469200314).

12928991122 is a wasteful number, since it uses less digits than its factorization.

12928991122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568252.

The product of its digits is 93312, while the sum is 46.

The spelling of 12928991122 in words is "twelve billion, nine hundred twenty-eight million, nine hundred ninety-one thousand, one hundred twenty-two".