122122312002 has 36 divisors (see below), whose sum is σ = 267244468530. Its totient is φ = 40304332800.

The previous prime is 122122311967. The next prime is 122122312069. The reversal of 122122312002 is 200213221221.

It can be written as a sum of positive squares in 3 ways, for example, as 120972491721 + 1149820281 = 347811^2 + 33909^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 148927 + ... + 516162.

Almost surely, 2^122122312002 is an apocalyptic number.

122122312002 is an abundant number, since it is smaller than the sum of its proper divisors (145122156528).

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

122122312002 is a wasteful number, since it uses less digits than its factorization.

122122312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665299 (or 665195 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122122312002 its reverse (200213221221), we get a palindrome (322335533223).

The spelling of 122122312002 in words is "one hundred twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, two".