122857434664 has 16 divisors (see below), whose sum is σ = 230632264800. Its totient is φ = 61355497392.

The previous prime is 122857434653. The next prime is 122857434683. The reversal of 122857434664 is 466434758221.

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, 9145362 + ... + 9158785.

It is an arithmetic number, because the mean of its divisors is an integer number (14414516550).

Almost surely, 2^122857434664 is an apocalyptic number.

It is an amenable number.

122857434664 is a deficient number, since it is larger than the sum of its proper divisors (107774830136).

122857434664 is a wasteful number, since it uses less digits than its factorization.

122857434664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18304992 (or 18304988 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 52.

The spelling of 122857434664 in words is "one hundred twenty-two billion, eight hundred fifty-seven million, four hundred thirty-four thousand, six hundred sixty-four".