122235466165640 has 128 divisors (see below), whose sum is σ = 282682600704000. Its totient is φ = 47535759387648.

The previous prime is 122235466165639. The next prime is 122235466165699. The reversal of 122235466165640 is 46561664532221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18467358251 + ... + 18467364869.

It is an arithmetic number, because the mean of its divisors is an integer number (2208457818000).

Almost surely, 2^{122235466165640} is an apocalyptic number.

122235466165640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122235466165640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141341300352000).

122235466165640 is an abundant number, since it is smaller than the sum of its proper divisors (160447134538360).

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

122235466165640 is a wasteful number, since it uses less digits than its factorization.

122235466165640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14479 (or 14475 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 122235466165640 in words is "one hundred twenty-two trillion, two hundred thirty-five billion, four hundred sixty-six million, one hundred sixty-five thousand, six hundred forty".