1212112010112 has 64 divisors (see below), whose sum is σ = 3245024409600. Its totient is φ = 400855924224.

The previous prime is 1212112010099. The next prime is 1212112010147. The reversal of 1212112010112 is 2110102112121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1212112010091 and 1212112010100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12378562 + ... + 12476097.

It is an arithmetic number, because the mean of its divisors is an integer number (50703506400).

Almost surely, 2^{1212112010112} is an apocalyptic number.

1212112010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212112010112 is an abundant number, since it is smaller than the sum of its proper divisors (2032912399488).

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

1212112010112 is a wasteful number, since it uses less digits than its factorization.

1212112010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24854803 (or 24854791 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1212112010112 its reverse (2110102112121), we get a palindrome (3322214122233).

The spelling of 1212112010112 in words is "one trillion, two hundred twelve billion, one hundred twelve million, ten thousand, one hundred twelve".