13145314120000 has 140 divisors (see below), whose sum is σ = 33477086418820. Its totient is φ = 5116013568000.

The previous prime is 13145314119989. The next prime is 13145314120013. The reversal of 13145314120000 is 2141354131.

It can be written as a sum of positive squares in 10 ways, for example, as 5217350359104 + 7927963760896 = 2284152^2 + 2815664^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2960985 + ... + 5920984.

Almost surely, 2^{13145314120000} is an apocalyptic number.

13145314120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13145314120000 is an abundant number, since it is smaller than the sum of its proper divisors (20331772298820).

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

13145314120000 is an frugal number, since it uses more digits than its factorization.

13145314120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882038 (or 8882013 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 13145314120000 its reverse (2141354131), we get a palindrome (13147455474131).

The spelling of 13145314120000 in words is "thirteen trillion, one hundred forty-five billion, three hundred fourteen million, one hundred twenty thousand".