12131403430 has 16 divisors (see below), whose sum is σ = 21995919360. Its totient is φ = 4817140672.

The previous prime is 12131403419. The next prime is 12131403437. The reversal of 12131403430 is 3430413121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131403437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426150 + ... + 4428889.

It is an arithmetic number, because the mean of its divisors is an integer number (1374744960).

Almost surely, 2^12131403430 is an apocalyptic number.

12131403430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131403430 is a deficient number, since it is larger than the sum of its proper divisors (9864515930).

12131403430 is a wasteful number, since it uses less digits than its factorization.

12131403430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855183.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12131403430 its reverse (3430413121), we get a palindrome (15561816551).

The spelling of 12131403430 in words is "twelve billion, one hundred thirty-one million, four hundred three thousand, four hundred thirty".