122251383048816 has 120 divisors (see below), whose sum is σ = 405492241807744. Its totient is φ = 34928966577600.

The previous prime is 122251383048799. The next prime is 122251383048829. The reversal of 122251383048816 is 618840383152221.

It is a happy number.

122251383048816 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 513 + 8 + 3 + 0 + 48 + 81 + 6 = 666.

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 23 ways as a sum of consecutive naturals, for example, 2245919710 + ... + 2245974141.

Almost surely, 2^{122251383048816} is an apocalyptic number.

122251383048816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122251383048816 is an abundant number, since it is smaller than the sum of its proper divisors (283240858758928).

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

122251383048816 is an equidigital number, since it uses as much as digits as its factorization.

122251383048816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491893881 (or 4491893863 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 122251383048816 in words is "one hundred twenty-two trillion, two hundred fifty-one billion, three hundred eighty-three million, forty-eight thousand, eight hundred sixteen".