122909619415492 has 384 divisors, whose sum is σ = 292318496870400. Its totient is φ = 44757212774400.

The previous prime is 122909619415469. The next prime is 122909619415651. The reversal of 122909619415492 is 294514916909221.

It is a super-2 number, since 2×122909619415492² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29257226992 + ... + 29257231192.

It is an arithmetic number, because the mean of its divisors is an integer number (761246085600).

Almost surely, 2^{122909619415492} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122909619415492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146159248435200).

122909619415492 is an abundant number, since it is smaller than the sum of its proper divisors (169408877454908).

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

122909619415492 is a wasteful number, since it uses less digits than its factorization.

122909619415492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356 (or 6340 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 122909619415492 in words is "one hundred twenty-two trillion, nine hundred nine billion, six hundred nineteen million, four hundred fifteen thousand, four hundred ninety-two".