212554004222 has 32 divisors (see below), whose sum is σ = 368536089600. Its totient is φ = 90060612768.

The previous prime is 212554004203. The next prime is 212554004263. The reversal of 212554004222 is 222400455212.

It is a happy number.

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, 236588 + ... + 693600.

It is an arithmetic number, because the mean of its divisors is an integer number (11516752800).

Almost surely, 2^212554004222 is an apocalyptic number.

212554004222 is a deficient number, since it is larger than the sum of its proper divisors (155982085378).

212554004222 is a wasteful number, since it uses less digits than its factorization.

212554004222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457400.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 212554004222 its reverse (222400455212), we get a palindrome (434954459434).

The spelling of 212554004222 in words is "two hundred twelve billion, five hundred fifty-four million, four thousand, two hundred twenty-two".