112122122100012 has 72 divisors (see below), whose sum is σ = 287307054268416. Its totient is φ = 36862920553824.

The previous prime is 112122122099971. The next prime is 112122122100049. The reversal of 112122122100012 is 210001221221211.

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 23 ways as a sum of consecutive naturals, for example, 29095788 + ... + 32723219.

It is an arithmetic number, because the mean of its divisors is an integer number (3990375753728).

Almost surely, 2^{112122122100012} is an apocalyptic number.

112122122100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112122122100012 is an abundant number, since it is smaller than the sum of its proper divisors (175184932168404).

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

112122122100012 is a wasteful number, since it uses less digits than its factorization.

112122122100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61819707 (or 61819702 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112122122100012 its reverse (210001221221211), we get a palindrome (322123343321223).

The spelling of 112122122100012 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, twelve".