122922786816 has 448 divisors, whose sum is σ = 386397642240. Its totient is φ = 38539100160.

The previous prime is 122922786809. The next prime is 122922786817. The reversal of 122922786816 is 618687229221.

122922786816 is a `hidden beast` number, since 1 + 2 + 292 + 278 + 6 + 81 + 6 = 666.

It is a super-2 number, since 2×122922786816² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (2322432) is a multiple of the sum of its prime divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122922786817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371367771 + ... + 371368101.

Almost surely, 2^122922786816 is an apocalyptic number.

122922786816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122922786816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193198821120).

122922786816 is an abundant number, since it is smaller than the sum of its proper divisors (263474855424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122922786816 is an equidigital number, since it uses as much as digits as its factorization.

122922786816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 432 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 122922786816 in words is "one hundred twenty-two billion, nine hundred twenty-two million, seven hundred eighty-six thousand, eight hundred sixteen".