2112302223312 has 80 divisors (see below), whose sum is σ = 5582067105792. Its totient is φ = 687984140160.

The previous prime is 2112302223301. The next prime is 2112302223331. The reversal of 2112302223312 is 2133222032112.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 598137 + ... + 2140647.

Almost surely, 2^{2112302223312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112302223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2791033552896).

2112302223312 is an abundant number, since it is smaller than the sum of its proper divisors (3469764882480).

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

2112302223312 is a wasteful number, since it uses less digits than its factorization.

2112302223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543176 (or 1543170 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2112302223312 its reverse (2133222032112), we get a palindrome (4245524255424).

The spelling of 2112302223312 in words is "two trillion, one hundred twelve billion, three hundred two million, two hundred twenty-three thousand, three hundred twelve".