1112213303212 has 24 divisors (see below), whose sum is σ = 2123969706432. Its totient is φ = 505395930000.

The previous prime is 1112213303209. The next prime is 1112213303213. The reversal of 1112213303212 is 2123033122111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1112213303213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3744618 + ... + 4030705.

It is an arithmetic number, because the mean of its divisors is an integer number (88498737768).

Almost surely, 2^{1112213303212} is an apocalyptic number.

It is an amenable number.

1112213303212 is a deficient number, since it is larger than the sum of its proper divisors (1011756403220).

1112213303212 is a wasteful number, since it uses less digits than its factorization.

1112213303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778589 (or 7778587 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1112213303212 its reverse (2123033122111), we get a palindrome (3235246425323).

The spelling of 1112213303212 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, three hundred three thousand, two hundred twelve".