4212879400901 has 2 divisors, whose sum is σ = 4212879400902. Its totient is φ = 4212879400900.

The previous prime is 4212879400853. The next prime is 4212879400907. The reversal of 4212879400901 is 1090049782124.

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

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4212879400900 + 1 = 2052530^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4212879400901 is a prime.

It is a super-2 number, since 2×4212879400901² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212879400907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106439700450 + 2106439700451.

It is an arithmetic number, because the mean of its divisors is an integer number (2106439700451).

Almost surely, 2^{4212879400901} is an apocalyptic number.

It is an amenable number.

4212879400901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212879400901 is an equidigital number, since it uses as much as digits as its factorization.

4212879400901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 4212879400901 in words is "four trillion, two hundred twelve billion, eight hundred seventy-nine million, four hundred thousand, nine hundred one".