122420533132 has 12 divisors (see below), whose sum is σ = 214240340160. Its totient is φ = 61209007376.

The previous prime is 122420533073. The next prime is 122420533133. The reversal of 122420533132 is 231335024221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122420533132.

It is not an unprimeable number, because it can be changed into a prime (122420533133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75907 + ... + 500602.

It is an arithmetic number, because the mean of its divisors is an integer number (17853361680).

Almost surely, 2^122420533132 is an apocalyptic number.

It is an amenable number.

122420533132 is a deficient number, since it is larger than the sum of its proper divisors (91819807028).

122420533132 is a wasteful number, since it uses less digits than its factorization.

122420533132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629600 (or 629598 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 122420533132 its reverse (231335024221), we get a palindrome (353755557353).

The spelling of 122420533132 in words is "one hundred twenty-two billion, four hundred twenty million, five hundred thirty-three thousand, one hundred thirty-two".