212421411044 has 24 divisors (see below), whose sum is σ = 374704930488. Its totient is φ = 105365548800.

The previous prime is 212421411019. The next prime is 212421411067. The reversal of 212421411044 is 440114124212.

It can be written as a sum of positive squares in 4 ways, for example, as 40859771044 + 171561640000 = 202138^2 + 414200^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19607 + ... + 652094.

It is an arithmetic number, because the mean of its divisors is an integer number (15612705437).

Almost surely, 2^212421411044 is an apocalyptic number.

It is an amenable number.

212421411044 is a deficient number, since it is larger than the sum of its proper divisors (162283519444).

212421411044 is a wasteful number, since it uses less digits than its factorization.

212421411044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672335 (or 672333 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 212421411044 its reverse (440114124212), we get a palindrome (652535535256).

The spelling of 212421411044 in words is "two hundred twelve billion, four hundred twenty-one million, four hundred eleven thousand, forty-four".