12510252551380 has 12 divisors (see below), whose sum is σ = 26271530357940. Its totient is φ = 5004101020544.

The previous prime is 12510252551323. The next prime is 12510252551387. The reversal of 12510252551380 is 8315525201521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1800786860356 + 10709465691024 = 1341934^2 + 3272532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510252551387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312756313765 + ... + 312756313804.

It is an arithmetic number, because the mean of its divisors is an integer number (2189294196495).

Almost surely, 2^{12510252551380} is an apocalyptic number.

12510252551380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12510252551380 is an abundant number, since it is smaller than the sum of its proper divisors (13761277806560).

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

12510252551380 is a wasteful number, since it uses less digits than its factorization.

12510252551380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625512627578 (or 625512627576 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 12510252551380 in words is "twelve trillion, five hundred ten billion, two hundred fifty-two million, five hundred fifty-one thousand, three hundred eighty".