2112212100012 has 36 divisors (see below), whose sum is σ = 5733147130200. Its totient is φ = 603489171264.

The previous prime is 2112212099999. The next prime is 2112212100109. The reversal of 2112212100012 is 2100012122112.

It is a super-2 number, since 2×2112212100012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112212099964 and 2112212100000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1796098137 + ... + 1796099312.

It is an arithmetic number, because the mean of its divisors is an integer number (159254086950).

Almost surely, 2^{2112212100012} is an apocalyptic number.

It is an amenable number.

2112212100012 is an abundant number, since it is smaller than the sum of its proper divisors (3620935030188).

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

2112212100012 is a wasteful number, since it uses less digits than its factorization.

2112212100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592197470 (or 3592197461 counting only the distinct ones).

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

Adding to 2112212100012 its reverse (2100012122112), we get a palindrome (4212224222124).

The spelling of 2112212100012 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred thousand, twelve".