212211204044 has 12 divisors (see below), whose sum is σ = 424422408144. Its totient is φ = 90947658864.

The previous prime is 212211204031. The next prime is 212211204061. The reversal of 212211204044 is 440402112212.

212211204044 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3789485759 + ... + 3789485814.

It is an arithmetic number, because the mean of its divisors is an integer number (35368534012).

Almost surely, 2^212211204044 is an apocalyptic number.

It is an amenable number.

212211204044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212211204044 is a wasteful number, since it uses less digits than its factorization.

212211204044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578971584 (or 7578971582 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212211204044 its reverse (440402112212), we get a palindrome (652613316256).

The spelling of 212211204044 in words is "two hundred twelve billion, two hundred eleven million, two hundred four thousand, forty-four".