1232154320112 has 120 divisors (see below), whose sum is σ = 3604615639040. Its totient is φ = 392437768320.

The previous prime is 1232154320051. The next prime is 1232154320141. The reversal of 1232154320112 is 2110234512321.

It is a happy number.

1232154320112 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 1 + 543 + 2 + 0 + 112 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1394308 + ... + 2099619.

Almost surely, 2^{1232154320112} is an apocalyptic number.

1232154320112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232154320112 is an abundant number, since it is smaller than the sum of its proper divisors (2372461318928).

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

1232154320112 is a wasteful number, since it uses less digits than its factorization.

1232154320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494051 (or 3494042 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1232154320112 its reverse (2110234512321), we get a palindrome (3342388832433).

The spelling of 1232154320112 in words is "one trillion, two hundred thirty-two billion, one hundred fifty-four million, three hundred twenty thousand, one hundred twelve".