2120456240650 has 48 divisors (see below), whose sum is σ = 4354437110688. Its totient is φ = 761784920000.

The previous prime is 2120456240641. The next prime is 2120456240653. The reversal of 2120456240650 is 560426540212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120456240653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23179501 + ... + 23270800.

It is an arithmetic number, because the mean of its divisors is an integer number (90717439806).

Almost surely, 2^{2120456240650} is an apocalyptic number.

2120456240650 is an abundant number, since it is smaller than the sum of its proper divisors (2233980870038).

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

2120456240650 is a wasteful number, since it uses less digits than its factorization.

2120456240650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46450407 (or 46450402 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 2120456240650 in words is "two trillion, one hundred twenty billion, four hundred fifty-six million, two hundred forty thousand, six hundred fifty".