122021351432 has 16 divisors (see below), whose sum is σ = 236679345900. Its totient is φ = 58906859200.

The previous prime is 122021351423. The next prime is 122021351471. The reversal of 122021351432 is 234153120221.

It can be written as a sum of positive squares in 2 ways, for example, as 118139313796 + 3882037636 = 343714^2 + 62306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262976819 + ... + 262977282.

Almost surely, 2^122021351432 is an apocalyptic number.

It is an amenable number.

122021351432 is a deficient number, since it is larger than the sum of its proper divisors (114657994468).

122021351432 is a wasteful number, since it uses less digits than its factorization.

122021351432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525954136 (or 525954132 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 122021351432 its reverse (234153120221), we get a palindrome (356174471653).

The spelling of 122021351432 in words is "one hundred twenty-two billion, twenty-one million, three hundred fifty-one thousand, four hundred thirty-two".