41212402021 has 12 divisors (see below), whose sum is σ = 48218082732. Its totient is φ = 35120718528.

The previous prime is 41212401899. The next prime is 41212402073. The reversal of 41212402021 is 12020421214.

41212402021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39674664225 + 1537737796 = 199185^2 + 39214^2 .

It is not a de Polignac number, because 41212402021 - 2¹⁷ = 41212270949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41212402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41212402921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2422360 + ... + 2439313.

It is an arithmetic number, because the mean of its divisors is an integer number (4018173561).

Almost surely, 2^41212402021 is an apocalyptic number.

It is an amenable number.

41212402021 is a deficient number, since it is larger than the sum of its proper divisors (7005680711).

41212402021 is a wasteful number, since it uses less digits than its factorization.

41212402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861860 (or 4861853 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 41212402021 its reverse (12020421214), we get a palindrome (53232823235).

The spelling of 41212402021 in words is "forty-one billion, two hundred twelve million, four hundred two thousand, twenty-one".