122315533001142 has 64 divisors (see below), whose sum is σ = 267920766408960. Its totient is φ = 36996733897344.

The previous prime is 122315533001117. The next prime is 122315533001173. The reversal of 122315533001142 is 241100335513221.

It is a happy number.

It is a super-2 number, since 2×122315533001142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 196641273 + ... + 197262315.

It is an arithmetic number, because the mean of its divisors is an integer number (4186261975140).

Almost surely, 2^{122315533001142} is an apocalyptic number.

122315533001142 is an abundant number, since it is smaller than the sum of its proper divisors (145605233407818).

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

122315533001142 is a wasteful number, since it uses less digits than its factorization.

122315533001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663917.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 122315533001142 its reverse (241100335513221), we get a palindrome (363415868514363).

The spelling of 122315533001142 in words is "one hundred twenty-two trillion, three hundred fifteen billion, five hundred thirty-three million, one thousand, one hundred forty-two".