12102531430 has 64 divisors (see below), whose sum is σ = 24636960000. Its totient is φ = 4240091520.

The previous prime is 12102531379. The next prime is 12102531439. The reversal of 12102531430 is 3413520121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102531439) 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, 1588009 + ... + 1595611.

It is an arithmetic number, because the mean of its divisors is an integer number (384952500).

Almost surely, 2^12102531430 is an apocalyptic number.

12102531430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102531430 is an abundant number, since it is smaller than the sum of its proper divisors (12534428570).

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

12102531430 is a wasteful number, since it uses less digits than its factorization.

12102531430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 12102531430 in words is "twelve billion, one hundred two million, five hundred thirty-one thousand, four hundred thirty".