1312332140140 has 48 divisors (see below), whose sum is σ = 3234721396032. Its totient is φ = 437781839616.

The previous prime is 1312332140129. The next prime is 1312332140143. The reversal of 1312332140140 is 410412332131.

It is not an unprimeable number, because it can be changed into a prime (1312332140143) 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, 126667807 + ... + 126678166.

It is an arithmetic number, because the mean of its divisors is an integer number (67390029084).

Almost surely, 2^{1312332140140} is an apocalyptic number.

1312332140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312332140140 is an abundant number, since it is smaller than the sum of its proper divisors (1922389255892).

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

1312332140140 is a wasteful number, since it uses less digits than its factorization.

1312332140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253346026 (or 253346024 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1312332140140 its reverse (410412332131), we get a palindrome (1722744472271).

The spelling of 1312332140140 in words is "one trillion, three hundred twelve billion, three hundred thirty-two million, one hundred forty thousand, one hundred forty".