52412401021 has 12 divisors (see below), whose sum is σ = 56971664992. Its totient is φ = 48182113728.

The previous prime is 52412400983. The next prime is 52412401057. The reversal of 52412401021 is 12010421425.

It is not a de Polignac number, because 52412401021 - 2²⁵ = 52378846589 is a prime.

It is a super-2 number, since 2×52412401021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52412400983 and 52412401001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52412408021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2096385 + ... + 2121238.

Almost surely, 2^52412401021 is an apocalyptic number.

It is an amenable number.

52412401021 is a deficient number, since it is larger than the sum of its proper divisors (4559263971).

52412401021 is a wasteful number, since it uses less digits than its factorization.

52412401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217700 (or 4217683 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 52412401021 its reverse (12010421425), we get a palindrome (64422822446).

The spelling of 52412401021 in words is "fifty-two billion, four hundred twelve million, four hundred one thousand, twenty-one".