1112212202212 has 6 divisors (see below), whose sum is σ = 1946371353878. Its totient is φ = 556106101104.

The previous prime is 1112212202207. The next prime is 1112212202221. The reversal of 1112212202212 is 2122022122111.

It can be written as a sum of positive squares in only one way, i.e., 927704154276 + 184508047936 = 963174^2 + 429544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1112212202212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139026525273 + ... + 139026525280.

Almost surely, 2^{1112212202212} is an apocalyptic number.

It is an amenable number.

1112212202212 is a deficient number, since it is larger than the sum of its proper divisors (834159151666).

1112212202212 is a wasteful number, since it uses less digits than its factorization.

1112212202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278053050557 (or 278053050555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1112212202212 its reverse (2122022122111), we get a palindrome (3234234324323).

The spelling of 1112212202212 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred twelve".