2051120240000 has 160 divisors (see below), whose sum is σ = 5498918095440. Its totient is φ = 757336320000.

The previous prime is 2051120239997. The next prime is 2051120240003. The reversal of 2051120240000 is 420211502.

It is an interprime number because it is at equal distance from previous prime (2051120239997) and next prime (2051120240003).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051120240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53885 + ... + 2026115.

Almost surely, 2^{2051120240000} is an apocalyptic number.

2051120240000 is a gapful number since it is divisible by the number (20) 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 2051120240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749459047720).

2051120240000 is an abundant number, since it is smaller than the sum of its proper divisors (3447797855440).

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

2051120240000 is an equidigital number, since it uses as much as digits as its factorization.

2051120240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972278 (or 1972251 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 2051120240000 its reverse (420211502), we get a palindrome (2051540451502).

The spelling of 2051120240000 in words is "two trillion, fifty-one billion, one hundred twenty million, two hundred forty thousand".