12534042430 has 64 divisors (see below), whose sum is σ = 28042858368. Its totient is φ = 3927513600.

The previous prime is 12534042407. The next prime is 12534042461. The reversal of 12534042430 is 3424043521.

It is a happy number.

It is a super-3 number, since 3×12534042430³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23724 + ... + 160096.

It is an arithmetic number, because the mean of its divisors is an integer number (438169662).

Almost surely, 2^12534042430 is an apocalyptic number.

12534042430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12534042430 is an abundant number, since it is smaller than the sum of its proper divisors (15508815938).

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

12534042430 is a wasteful number, since it uses less digits than its factorization.

12534042430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136501.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12534042430 its reverse (3424043521), we get a palindrome (15958085951).

The spelling of 12534042430 in words is "twelve billion, five hundred thirty-four million, forty-two thousand, four hundred thirty".