2251251203312 has 80 divisors (see below), whose sum is σ = 4409231124480. Its totient is φ = 1113467731200.

The previous prime is 2251251203309. The next prime is 2251251203339. The reversal of 2251251203312 is 2133021521522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 459155453 + ... + 459160355.

It is an arithmetic number, because the mean of its divisors is an integer number (55115389056).

Almost surely, 2^{2251251203312} is an apocalyptic number.

It is an amenable number.

2251251203312 is a deficient number, since it is larger than the sum of its proper divisors (2157979921168).

2251251203312 is a wasteful number, since it uses less digits than its factorization.

2251251203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2251251203312 its reverse (2133021521522), we get a palindrome (4384272724834).

The spelling of 2251251203312 in words is "two trillion, two hundred fifty-one billion, two hundred fifty-one million, two hundred three thousand, three hundred twelve".