212226363404 has 24 divisors (see below), whose sum is σ = 405171175248. Its totient is φ = 96463730240.

The previous prime is 212226363403. The next prime is 212226363487. The reversal of 212226363404 is 404363622212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212226363403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666474 + ... + 2744910.

It is an arithmetic number, because the mean of its divisors is an integer number (16882132302).

Almost surely, 2^212226363404 is an apocalyptic number.

It is an amenable number.

212226363404 is a deficient number, since it is larger than the sum of its proper divisors (192944811844).

212226363404 is a wasteful number, since it uses less digits than its factorization.

212226363404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139945 (or 139943 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 212226363404 its reverse (404363622212), we get a palindrome (616589985616).

The spelling of 212226363404 in words is "two hundred twelve billion, two hundred twenty-six million, three hundred sixty-three thousand, four hundred four".