222212111012 has 12 divisors (see below), whose sum is σ = 395246132316. Its totient is φ = 109284644640.

The previous prime is 222212110993. The next prime is 222212111021. The reversal of 222212111012 is 210111212222.

222212111012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 96233966656 + 125978144356 = 310216^2 + 354934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455352443 + ... + 455352930.

It is an arithmetic number, because the mean of its divisors is an integer number (32937177693).

Almost surely, 2^222212111012 is an apocalyptic number.

It is an amenable number.

222212111012 is a deficient number, since it is larger than the sum of its proper divisors (173034021304).

222212111012 is a wasteful number, since it uses less digits than its factorization.

222212111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910705438 (or 910705436 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222212111012 its reverse (210111212222), we get a palindrome (432323323234).

The spelling of 222212111012 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, twelve".