12903133430 has 32 divisors (see below), whose sum is σ = 25477085088. Its totient is φ = 4666118400.

The previous prime is 12903133429. The next prime is 12903133457. The reversal of 12903133430 is 3433130921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12903133393 and 12903133402.

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, 304127 + ... + 343946.

It is an arithmetic number, because the mean of its divisors is an integer number (796158909).

Almost surely, 2^12903133430 is an apocalyptic number.

12903133430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12903133430 is a deficient number, since it is larger than the sum of its proper divisors (12573951658).

12903133430 is a wasteful number, since it uses less digits than its factorization.

12903133430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648272.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 12903133430 in words is "twelve billion, nine hundred three million, one hundred thirty-three thousand, four hundred thirty".