12251020430 has 32 divisors (see below), whose sum is σ = 24269463648. Its totient is φ = 4415488000.

The previous prime is 12251020427. The next prime is 12251020477. The reversal of 12251020430 is 3402015221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480371 + ... + 505230.

It is an arithmetic number, because the mean of its divisors is an integer number (758420739).

Almost surely, 2^12251020430 is an apocalyptic number.

12251020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12251020430 is a deficient number, since it is larger than the sum of its proper divisors (12018443218).

12251020430 is a wasteful number, since it uses less digits than its factorization.

12251020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985732.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12251020430 its reverse (3402015221), we get a palindrome (15653035651).

The spelling of 12251020430 in words is "twelve billion, two hundred fifty-one million, twenty thousand, four hundred thirty".