212013434044 has 24 divisors (see below), whose sum is σ = 381435947648. Its totient is φ = 103037520960.

The previous prime is 212013434021. The next prime is 212013434051. The reversal of 212013434044 is 440434310212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576099 + ... + 869434.

Almost surely, 2^212013434044 is an apocalyptic number.

It is an amenable number.

212013434044 is a deficient number, since it is larger than the sum of its proper divisors (169422513604).

212013434044 is a wasteful number, since it uses less digits than its factorization.

212013434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446565 (or 1446563 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212013434044 its reverse (440434310212), we get a palindrome (652447744256).

The spelling of 212013434044 in words is "two hundred twelve billion, thirteen million, four hundred thirty-four thousand, forty-four".