122130230202 has 24 divisors (see below), whose sum is σ = 264690365940. Its totient is φ = 40698558720.

The previous prime is 122130230137. The next prime is 122130230203. The reversal of 122130230202 is 202032031221.

It can be written as a sum of positive squares in 2 ways, for example, as 121946925681 + 183304521 = 349209^2 + 13539^2 .

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

It is not an unprimeable number, because it can be changed into a prime (122130230203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894327 + ... + 1021802.

Almost surely, 2^122130230202 is an apocalyptic number.

122130230202 is an abundant number, since it is smaller than the sum of its proper divisors (142560135738).

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

122130230202 is a wasteful number, since it uses less digits than its factorization.

122130230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919678 (or 1919675 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 122130230202 its reverse (202032031221), we get a palindrome (324162261423).

The spelling of 122130230202 in words is "one hundred twenty-two billion, one hundred thirty million, two hundred thirty thousand, two hundred two".