12420324102 has 64 divisors (see below), whose sum is σ = 25948661760. Its totient is φ = 3958416000.

The previous prime is 12420324089. The next prime is 12420324109. The reversal of 12420324102 is 20142302421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420324109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12164352 + ... + 12165372.

It is an arithmetic number, because the mean of its divisors is an integer number (405447840).

Almost surely, 2^12420324102 is an apocalyptic number.

12420324102 is an abundant number, since it is smaller than the sum of its proper divisors (13528337658).

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

12420324102 is a wasteful number, since it uses less digits than its factorization.

12420324102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12420324102 its reverse (20142302421), we get a palindrome (32562626523).

The spelling of 12420324102 in words is "twelve billion, four hundred twenty million, three hundred twenty-four thousand, one hundred two".