12400312485 has 64 divisors (see below), whose sum is σ = 21804318720. Its totient is φ = 5968001280.

The previous prime is 12400312453. The next prime is 12400312493. The reversal of 12400312485 is 58421300421.

It is not a de Polignac number, because 12400312485 - 2⁵ = 12400312453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20032506 + ... + 20033124.

It is an arithmetic number, because the mean of its divisors is an integer number (340692480).

Almost surely, 2^12400312485 is an apocalyptic number.

12400312485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12400312485 is a deficient number, since it is larger than the sum of its proper divisors (9404006235).

12400312485 is a wasteful number, since it uses less digits than its factorization.

12400312485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 12400312485 in words is "twelve billion, four hundred million, three hundred twelve thousand, four hundred eighty-five".