122272601272720 has 80 divisors (see below), whose sum is σ = 284374200636288. Its totient is φ = 48893490099200.

The previous prime is 122272601272691. The next prime is 122272601272721. The reversal of 122272601272720 is 27272106272221.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (122272601272721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566315972 + ... + 4566342748.

Almost surely, 2^{122272601272720} is an apocalyptic number.

122272601272720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122272601272720 is an abundant number, since it is smaller than the sum of its proper divisors (162101599363568).

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

122272601272720 is a wasteful number, since it uses less digits than its factorization.

122272601272720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42808 (or 42802 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 122272601272720 in words is "one hundred twenty-two trillion, two hundred seventy-two billion, six hundred one million, two hundred seventy-two thousand, seven hundred twenty".