122135642332 has 24 divisors (see below), whose sum is σ = 235787917680. Its totient is φ = 54892421760.

The previous prime is 122135642327. The next prime is 122135642339. The reversal of 122135642332 is 233246531221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122135642339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15590523 + ... + 15598354.

It is an arithmetic number, because the mean of its divisors is an integer number (9824496570).

Almost surely, 2^122135642332 is an apocalyptic number.

It is an amenable number.

122135642332 is a deficient number, since it is larger than the sum of its proper divisors (113652275348).

122135642332 is a wasteful number, since it uses less digits than its factorization.

122135642332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31188981 (or 31188979 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

Subtracting 122135642332 from its reverse (233246531221), we obtain a square (111110888889 = 333333²).

It can be divided in two parts, 122135 and 642332, that added together give a palindrome (764467).

The spelling of 122135642332 in words is "one hundred twenty-two billion, one hundred thirty-five million, six hundred forty-two thousand, three hundred thirty-two".