122784492312 has 48 divisors (see below), whose sum is σ = 333716446440. Its totient is φ = 40783534848.

The previous prime is 122784492223. The next prime is 122784492323. The reversal of 122784492312 is 213294487221.

122784492312 is a `hidden beast` number, since 122 + 7 + 8 + 4 + 492 + 31 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2992593 + ... + 3033344.

Almost surely, 2^122784492312 is an apocalyptic number.

122784492312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122784492312 is an abundant number, since it is smaller than the sum of its proper divisors (210931954128).

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

122784492312 is a wasteful number, since it uses less digits than its factorization.

122784492312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026232 (or 6026225 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 122784492312 in words is "one hundred twenty-two billion, seven hundred eighty-four million, four hundred ninety-two thousand, three hundred twelve".