1112122222212 has 24 divisors (see below), whose sum is σ = 2597262615136. Its totient is φ = 370377298368.

The previous prime is 1112122222177. The next prime is 1112122222217. The reversal of 1112122222212 is 2122222212111.

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

It is not an unprimeable number, because it can be changed into a prime (1112122222217) 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, 41249593 + ... + 41276544.

Almost surely, 2^{1112122222212} is an apocalyptic number.

1112122222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112122222212 is an abundant number, since it is smaller than the sum of its proper divisors (1485140392924).

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

1112122222212 is a wasteful number, since it uses less digits than its factorization.

1112122222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82527267 (or 82527265 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

Adding to 1112122222212 its reverse (2122222212111), we get a palindrome (3234344434323).

It can be divided in two parts, 111 and 2122222212, that multiplied together give a palindrome (235566665532).

The spelling of 1112122222212 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".