112012021111212 has 18 divisors (see below), whose sum is σ = 283141497808988. Its totient is φ = 37337340370392.

The previous prime is 112012021111201. The next prime is 112012021111297. The reversal of 112012021111212 is 212111120210211.

It is a happy number.

112012021111212 is a `hidden beast` number, since 1 + 120 + 120 + 211 + 1 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1555722515398 + ... + 1555722515469.

Almost surely, 2^{112012021111212} is an apocalyptic number.

112012021111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112012021111212 is an abundant number, since it is smaller than the sum of its proper divisors (171129476697776).

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

112012021111212 is a wasteful number, since it uses less digits than its factorization.

112012021111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111445030877 (or 3111445030872 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112012021111212 its reverse (212111120210211), we get a palindrome (324123141321423).

The spelling of 112012021111212 in words is "one hundred twelve trillion, twelve billion, twenty-one million, one hundred eleven thousand, two hundred twelve".