1112222222212 has 6 divisors (see below), whose sum is σ = 1946388888878. Its totient is φ = 556111111104.

The previous prime is 1112222222179. The next prime is 1112222222303. The reversal of 1112222222212 is 2122222222111.

It can be written as a sum of positive squares in only one way, i.e., 740346668356 + 371875553856 = 860434^2 + 609816^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139027777773 + ... + 139027777780.

Almost surely, 2^{1112222222212} is an apocalyptic number.

It is an amenable number.

1112222222212 is a deficient number, since it is larger than the sum of its proper divisors (834166666666).

1112222222212 is a wasteful number, since it uses less digits than its factorization.

1112222222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278055555557 (or 278055555555 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

Adding to 1112222222212 its reverse (2122222222111), we get a palindrome (3234444444323).

The spelling of 1112222222212 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".