222220012112 has 60 divisors (see below), whose sum is σ = 501115510260. Its totient is φ = 95185778688.

The previous prime is 222220012103. The next prime is 222220012121. The reversal of 222220012112 is 211210022222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222220012103) and next prime (222220012121).

It can be written as a sum of positive squares in 2 ways, for example, as 61293875776 + 160926136336 = 247576^2 + 401156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1396064 + ... + 1547072.

It is an arithmetic number, because the mean of its divisors is an integer number (8351925171).

Almost surely, 2^222220012112 is an apocalyptic number.

It is an amenable number.

222220012112 is an abundant number, since it is smaller than the sum of its proper divisors (278895498148).

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

222220012112 is a wasteful number, since it uses less digits than its factorization.

222220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152908 (or 152895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222220012112 its reverse (211210022222), we get a palindrome (433430034334).

The spelling of 222220012112 in words is "two hundred twenty-two billion, two hundred twenty million, twelve thousand, one hundred twelve".