212222354604 has 24 divisors (see below), whose sum is σ = 533276686320. Its totient is φ = 65299185984.

The previous prime is 212222354593. The next prime is 212222354683. The reversal of 212222354604 is 406453222212.

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, 680199699 + ... + 680200010.

It is an arithmetic number, because the mean of its divisors is an integer number (22219861930).

Almost surely, 2^212222354604 is an apocalyptic number.

It is an amenable number.

212222354604 is an abundant number, since it is smaller than the sum of its proper divisors (321054331716).

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

212222354604 is a wasteful number, since it uses less digits than its factorization.

212222354604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360399729 (or 1360399727 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 212222354604 its reverse (406453222212), we get a palindrome (618675576816).

The spelling of 212222354604 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred fifty-four thousand, six hundred four".