2130231440000 has 80 divisors (see below), whose sum is σ = 5303078229570. Its totient is φ = 852092544000.

The previous prime is 2130231439943. The next prime is 2130231440017. The reversal of 2130231440000 is 441320312.

It can be written as a sum of positive squares in 5 ways, for example, as 3324214336 + 2126907225664 = 57656^2 + 1458392^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13233947 + ... + 13393946.

Almost surely, 2^{2130231440000} is an apocalyptic number.

2130231440000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130231440000 is an abundant number, since it is smaller than the sum of its proper divisors (3172846789570).

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

2130231440000 is an frugal number, since it uses more digits than its factorization.

2130231440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26627927 (or 26627900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2130231440000 its reverse (441320312), we get a palindrome (2130672760312).

The spelling of 2130231440000 in words is "two trillion, one hundred thirty billion, two hundred thirty-one million, four hundred forty thousand".