122147553213 has 24 divisors (see below), whose sum is σ = 213501607488. Its totient is φ = 65692801152.

The previous prime is 122147553211. The next prime is 122147553259. The reversal of 122147553213 is 312355741221.

122147553213 is a `hidden beast` number, since 122 + 1 + 475 + 53 + 2 + 13 = 666.

It is not a de Polignac number, because 122147553213 - 2¹ = 122147553211 is a prime.

It is a super-3 number, since 3×122147553213³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122147553211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57023931 + ... + 57026072.

It is an arithmetic number, because the mean of its divisors is an integer number (8895900312).

Almost surely, 2^122147553213 is an apocalyptic number.

It is an amenable number.

122147553213 is a deficient number, since it is larger than the sum of its proper divisors (91354054275).

122147553213 is a wasteful number, since it uses less digits than its factorization.

122147553213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114050033 (or 114050030 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The spelling of 122147553213 in words is "one hundred twenty-two billion, one hundred forty-seven million, five hundred fifty-three thousand, two hundred thirteen".