12120413202 has 36 divisors (see below), whose sum is σ = 26559589290. Its totient is φ = 3994695936.

The previous prime is 12120413171. The next prime is 12120413203. The reversal of 12120413202 is 20231402121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7087787721 + 5032625481 = 84189^2 + 70941^2 .

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 (12120413203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100074 + ... + 185082.

Almost surely, 2^12120413202 is an apocalyptic number.

12120413202 is an abundant number, since it is smaller than the sum of its proper divisors (14439176088).

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

12120413202 is an equidigital number, since it uses as much as digits as its factorization.

12120413202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85195 (or 85103 counting only the distinct ones).

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

Adding to 12120413202 its reverse (20231402121), we get a palindrome (32351815323).

The spelling of 12120413202 in words is "twelve billion, one hundred twenty million, four hundred thirteen thousand, two hundred two".