2251371214000 has 80 divisors (see below), whose sum is σ = 5444648707680. Its totient is φ = 900410668800.

The previous prime is 2251371213979. The next prime is 2251371214009. The reversal of 2251371214000 is 4121731522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2251371214000.

It is not an unprimeable number, because it can be changed into a prime (2251371214009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13523266 + ... + 13688734.

It is an arithmetic number, because the mean of its divisors is an integer number (68058108846).

Almost surely, 2^{2251371214000} is an apocalyptic number.

2251371214000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251371214000 is an abundant number, since it is smaller than the sum of its proper divisors (3193277493680).

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

2251371214000 is a wasteful number, since it uses less digits than its factorization.

2251371214000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172295 (or 172279 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 2251371214000 its reverse (4121731522), we get a palindrome (2255492945522).

The spelling of 2251371214000 in words is "two trillion, two hundred fifty-one billion, three hundred seventy-one million, two hundred fourteen thousand".