4212879400899 has 96 divisors (see below), whose sum is σ = 7091199670464. Its totient is φ = 2386747883520.

The previous prime is 4212879400853. The next prime is 4212879400901. The reversal of 4212879400899 is 9980049782124.

4212879400899 is a `hidden beast` number, since 4 + 212 + 8 + 7 + 9 + 400 + 8 + 9 + 9 = 666.

It is a Cunningham number, because it is equal to 2052530²-1.

It is not a de Polignac number, because 4212879400899 - 2⁸ = 4212879400643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4212879200899) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34832659 + ... + 34953395.

It is an arithmetic number, because the mean of its divisors is an integer number (73866663234).

Almost surely, 2^{4212879400899} is an apocalyptic number.

4212879400899 is a deficient number, since it is larger than the sum of its proper divisors (2878320269565).

4212879400899 is a wasteful number, since it uses less digits than its factorization.

4212879400899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121157 (or 121154 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 4212879400899 in words is "four trillion, two hundred twelve billion, eight hundred seventy-nine million, four hundred thousand, eight hundred ninety-nine".