1251352053120 has 256 divisors, whose sum is σ = 4411604594880. Its totient is φ = 299699896320.

The previous prime is 1251352053079. The next prime is 1251352053169. The reversal of 1251352053120 is 213502531521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246030 + ... + 1601010.

Almost surely, 2^{1251352053120} is an apocalyptic number.

1251352053120 is a gapful number since it is divisible by the number (10) 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 1251352053120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205802297440).

1251352053120 is an abundant number, since it is smaller than the sum of its proper divisors (3160252541760).

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

1251352053120 is a wasteful number, since it uses less digits than its factorization.

1251352053120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355053 (or 1355041 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1251352053120 its reverse (213502531521), we get a palindrome (1464854584641).

The spelling of 1251352053120 in words is "one trillion, two hundred fifty-one billion, three hundred fifty-two million, fifty-three thousand, one hundred twenty".