122621414542 has 32 divisors (see below), whose sum is σ = 201564165600. Its totient is φ = 55484507520.

The previous prime is 122621414537. The next prime is 122621414543. The reversal of 122621414542 is 245414126221.

It is a super-2 number, since 2×122621414542² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122621414498 and 122621414507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621414543) 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, 4693588 + ... + 4719640.

It is an arithmetic number, because the mean of its divisors is an integer number (6298880175).

Almost surely, 2^122621414542 is an apocalyptic number.

122621414542 is a deficient number, since it is larger than the sum of its proper divisors (78942751058).

122621414542 is a wasteful number, since it uses less digits than its factorization.

122621414542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27028.

The product of its digits is 30720, while the sum is 34.

The spelling of 122621414542 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred fourteen thousand, five hundred forty-two".