2120189642712 has 96 divisors (see below), whose sum is σ = 5906090408400. Its totient is φ = 686612788992.

The previous prime is 2120189642687. The next prime is 2120189642743. The reversal of 2120189642712 is 2172469810212.

2120189642712 is a `hidden beast` number, since 2 + 1 + 201 + 8 + 9 + 6 + 427 + 12 = 666.

It is a congruent number.

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, 1215739 + ... + 2391317.

Almost surely, 2^{2120189642712} 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 2120189642712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953045204200).

2120189642712 is an abundant number, since it is smaller than the sum of its proper divisors (3785900765688).

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

2120189642712 is a wasteful number, since it uses less digits than its factorization.

2120189642712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176305 (or 1176298 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 2120189642712 in words is "two trillion, one hundred twenty billion, one hundred eighty-nine million, six hundred forty-two thousand, seven hundred twelve".