12780007430 has 32 divisors (see below), whose sum is σ = 24257512800. Its totient is φ = 4834397952.

The previous prime is 12780007423. The next prime is 12780007433. The reversal of 12780007430 is 3470008721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12780007433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49004 + ... + 167216.

It is an arithmetic number, because the mean of its divisors is an integer number (758047275).

Almost surely, 2^12780007430 is an apocalyptic number.

12780007430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12780007430 is a deficient number, since it is larger than the sum of its proper divisors (11477505370).

12780007430 is a wasteful number, since it uses less digits than its factorization.

12780007430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118808.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 12780007430 in words is "twelve billion, seven hundred eighty million, seven thousand, four hundred thirty".