1212212000112 has 80 divisors (see below), whose sum is σ = 3159856946688. Its totient is φ = 400419210240.

The previous prime is 1212212000107. The next prime is 1212212000149. The reversal of 1212212000112 is 2110002122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212212000091 and 1212212000100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33670473 + ... + 33706455.

Almost surely, 2^{1212212000112} is an apocalyptic number.

1212212000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212212000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579928473344).

1212212000112 is an abundant number, since it is smaller than the sum of its proper divisors (1947644946576).

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

1212212000112 is a wasteful number, since it uses less digits than its factorization.

1212212000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42318 (or 42312 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212212000112 its reverse (2110002122121), we get a palindrome (3322214122233).

The spelling of 1212212000112 in words is "one trillion, two hundred twelve billion, two hundred twelve million, one hundred twelve", and thus it is an aban number.