212351011204544 has 112 divisors (see below), whose sum is σ = 433353201806976. Its totient is φ = 103184787686400.

The previous prime is 212351011204499. The next prime is 212351011204567. The reversal of 212351011204544 is 445402110153212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065398899 + ... + 2065501709.

Almost surely, 2^{212351011204544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212351011204544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216676600903488).

212351011204544 is an abundant number, since it is smaller than the sum of its proper divisors (221002190602432).

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

212351011204544 is a wasteful number, since it uses less digits than its factorization.

212351011204544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106634 (or 106624 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 212351011204544 its reverse (445402110153212), we get a palindrome (657753121357756).

The spelling of 212351011204544 in words is "two hundred twelve trillion, three hundred fifty-one billion, eleven million, two hundred four thousand, five hundred forty-four".