122777702672 has 20 divisors (see below), whose sum is σ = 238150013376. Its totient is φ = 61319634720.

The previous prime is 122777702657. The next prime is 122777702681. The reversal of 122777702672 is 276207777221.

It is a self number, because there is not a number n which added to its sum of digits gives 122777702672.

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, 4311404 + ... + 4339787.

Almost surely, 2^122777702672 is an apocalyptic number.

It is an amenable number.

122777702672 is a deficient number, since it is larger than the sum of its proper divisors (115372310704).

122777702672 is an equidigital number, since it uses as much as digits as its factorization.

122777702672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652086 (or 8652080 counting only the distinct ones).

The product of its (nonzero) digits is 1613472, while the sum is 50.

The spelling of 122777702672 in words is "one hundred twenty-two billion, seven hundred seventy-seven million, seven hundred two thousand, six hundred seventy-two".