122894780472 has 80 divisors (see below), whose sum is σ = 344301071400. Its totient is φ = 40955181120.

The previous prime is 122894780453. The next prime is 122894780497. The reversal of 122894780472 is 274087498221.

122894780472 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 94 + 7 + 80 + 472 = 666.

It is a super-2 number, since 2×122894780472² (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).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3019554 + ... + 3059982.

Almost surely, 2^122894780472 is an apocalyptic number.

122894780472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122894780472 is an abundant number, since it is smaller than the sum of its proper divisors (221406290928).

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

122894780472 is a wasteful number, since it uses less digits than its factorization.

122894780472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45138 (or 45125 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 122894780472 in words is "one hundred twenty-two billion, eight hundred ninety-four million, seven hundred eighty thousand, four hundred seventy-two".