12132402102 has 40 divisors (see below), whose sum is σ = 27212565072. Its totient is φ = 4040118000.

The previous prime is 12132402067. The next prime is 12132402109. The reversal of 12132402102 is 20120423121.

It is a happy number.

12132402102 is a `hidden beast` number, since 1 + 213 + 240 + 210 + 2 = 666.

It is a super-2 number, since 2×12132402102² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132402109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128727 + ... + 202077.

Almost surely, 2^12132402102 is an apocalyptic number.

12132402102 is an abundant number, since it is smaller than the sum of its proper divisors (15080162970).

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

12132402102 is a wasteful number, since it uses less digits than its factorization.

12132402102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74386 (or 74377 counting only the distinct ones).

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

Adding to 12132402102 its reverse (20120423121), we get a palindrome (32252825223).

The spelling of 12132402102 in words is "twelve billion, one hundred thirty-two million, four hundred two thousand, one hundred two".