12400884057 has 8 divisors (see below), whose sum is σ = 16535029984. Its totient is φ = 8266997088.

The previous prime is 12400884043. The next prime is 12400884101. The reversal of 12400884057 is 75048800421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12400884057 - 2¹⁴ = 12400867673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400884157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135333 + ... + 207645.

It is an arithmetic number, because the mean of its divisors is an integer number (2066878748).

Almost surely, 2^12400884057 is an apocalyptic number.

It is an amenable number.

12400884057 is a deficient number, since it is larger than the sum of its proper divisors (4134145927).

12400884057 is an equidigital number, since it uses as much as digits as its factorization.

12400884057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129479.

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 12400884057 in words is "twelve billion, four hundred million, eight hundred eighty-four thousand, fifty-seven".