122319999999999 has 48 divisors (see below), whose sum is σ = 187658285697792. Its totient is φ = 76511962416384.

The previous prime is 122319999999991. The next prime is 122320000000021. The reversal of 122319999999999 is 999999999913221.

122319999999999 is a `hidden beast` number, since 1 + 22 + 319 + 9 + 9 + 9 + 99 + 99 + 99 = 666.

It is not a de Polignac number, because 122319999999999 - 2³ = 122319999999991 is a prime.

It is a super-9 number, since 9×122319999999999⁹ (a number of 128 digits) contains 999999999 as substring.

122319999999999 is a modest number, since divided by 99999999 gives 1223199 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122319999999991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62690352 + ... + 64612074.

It is an arithmetic number, because the mean of its divisors is an integer number (3909547618704).

Almost surely, 2^{122319999999999} is an apocalyptic number.

122319999999999 is a deficient number, since it is larger than the sum of its proper divisors (65338285697793).

122319999999999 is a wasteful number, since it uses less digits than its factorization.

122319999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923036 (or 1923033 counting only the distinct ones).

The product of its digits is 41841412812, while the sum is 99.

The spelling of 122319999999999 in words is "one hundred twenty-two trillion, three hundred nineteen billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".