222221222200012 has 96 divisors (see below), whose sum is σ = 447650056465920. Its totient is φ = 94553426580480.

The previous prime is 222221222200007. The next prime is 222221222200049. The reversal of 222221222200012 is 210002222122222.

It is a super-2 number, since 2×222221222200012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2518300212 + ... + 2518388452.

It is an arithmetic number, because the mean of its divisors is an integer number (4663021421520).

Almost surely, 2^{222221222200012} is an apocalyptic number.

It is an amenable number.

222221222200012 is an abundant number, since it is smaller than the sum of its proper divisors (225428834265908).

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

222221222200012 is a wasteful number, since it uses less digits than its factorization.

222221222200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89711 (or 89709 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222221222200012 its reverse (210002222122222), we get a palindrome (432223444322234).

The spelling of 222221222200012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, twelve".