412550212021 has 2 divisors, whose sum is σ = 412550212022. Its totient is φ = 412550212020.

The previous prime is 412550211989. The next prime is 412550212031. The reversal of 412550212021 is 120212055214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223455689521 + 189094522500 = 472711^2 + 434850^2 .

It is a cyclic number.

It is not a de Polignac number, because 412550212021 - 2⁵ = 412550211989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412550212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206275106010 + 206275106011.

It is an arithmetic number, because the mean of its divisors is an integer number (206275106011).

Almost surely, 2^412550212021 is an apocalyptic number.

It is an amenable number.

412550212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

412550212021 is an equidigital number, since it uses as much as digits as its factorization.

412550212021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 412550212021 its reverse (120212055214), we get a palindrome (532762267235).

The spelling of 412550212021 in words is "four hundred twelve billion, five hundred fifty million, two hundred twelve thousand, twenty-one".