1232320210540 has 12 divisors (see below), whose sum is σ = 2587872442176. Its totient is φ = 492928084208.

The previous prime is 1232320210507. The next prime is 1232320210549. The reversal of 1232320210540 is 450120232321.

It is a super-2 number, since 2×1232320210540² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232320210549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30808005244 + ... + 30808005283.

It is an arithmetic number, because the mean of its divisors is an integer number (215656036848).

Almost surely, 2^{1232320210540} is an apocalyptic number.

1232320210540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232320210540 is an abundant number, since it is smaller than the sum of its proper divisors (1355552231636).

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

1232320210540 is a wasteful number, since it uses less digits than its factorization.

1232320210540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61616010536 (or 61616010534 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1232320210540 its reverse (450120232321), we get a palindrome (1682440442861).

The spelling of 1232320210540 in words is "one trillion, two hundred thirty-two billion, three hundred twenty million, two hundred ten thousand, five hundred forty".