112233001212 has 36 divisors (see below), whose sum is σ = 289736262816. Its totient is φ = 36615021120.

The previous prime is 112233001189. The next prime is 112233001303. The reversal of 112233001212 is 212100332211.

112233001212 is a `hidden beast` number, since 1 + 122 + 330 + 0 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×112233001212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 33164089 + ... + 33167472.

Almost surely, 2^112233001212 is an apocalyptic number.

112233001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112233001212 is an abundant number, since it is smaller than the sum of its proper divisors (177503261604).

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

112233001212 is a wasteful number, since it uses less digits than its factorization.

112233001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66331618 (or 66331613 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112233001212 its reverse (212100332211), we get a palindrome (324333333423).

The spelling of 112233001212 in words is "one hundred twelve billion, two hundred thirty-three million, one thousand, two hundred twelve".