12031442430 has 64 divisors (see below), whose sum is σ = 33191382528. Its totient is φ = 2734139520.

The previous prime is 12031442429. The next prime is 12031442431. The reversal of 12031442430 is 3424413021.

It is an interprime number because it is at equal distance from previous prime (12031442429) and next prime (12031442431).

It is a self number, because there is not a number n which added to its sum of digits gives 12031442430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031442431) 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, 129256 + ... + 201915.

It is an arithmetic number, because the mean of its divisors is an integer number (518615352).

Almost surely, 2^12031442430 is an apocalyptic number.

12031442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031442430 is an abundant number, since it is smaller than the sum of its proper divisors (21159940098).

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

12031442430 is a wasteful number, since it uses less digits than its factorization.

12031442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331361.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12031442430 its reverse (3424413021), we get a palindrome (15455855451).

The spelling of 12031442430 in words is "twelve billion, thirty-one million, four hundred forty-two thousand, four hundred thirty".