251234032412 has 24 divisors (see below), whose sum is σ = 479934819840. Its totient is φ = 114124379760.

The previous prime is 251234032403. The next prime is 251234032421. The reversal of 251234032412 is 214230432152.

It is an interprime number because it is at equal distance from previous prime (251234032403) and next prime (251234032421).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752962 + ... + 1890857.

It is an arithmetic number, because the mean of its divisors is an integer number (19997284160).

Almost surely, 2^251234032412 is an apocalyptic number.

251234032412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

251234032412 is a deficient number, since it is larger than the sum of its proper divisors (228700787428).

251234032412 is a wasteful number, since it uses less digits than its factorization.

251234032412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645401 (or 3645399 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 251234032412 its reverse (214230432152), we get a palindrome (465464464564).

The spelling of 251234032412 in words is "two hundred fifty-one billion, two hundred thirty-four million, thirty-two thousand, four hundred twelve".