1232111100132 has 72 divisors (see below), whose sum is σ = 3412875997440. Its totient is φ = 371692681920.

The previous prime is 1232111100131. The next prime is 1232111100139. The reversal of 1232111100132 is 2310011112321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1232111100131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6887907 + ... + 7064522.

It is an arithmetic number, because the mean of its divisors is an integer number (47401055520).

Almost surely, 2^{1232111100132} is an apocalyptic number.

1232111100132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232111100132 is an abundant number, since it is smaller than the sum of its proper divisors (2180764897308).

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

1232111100132 is a wasteful number, since it uses less digits than its factorization.

1232111100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13952673 (or 13952668 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1232111100132 its reverse (2310011112321), we get a palindrome (3542122212453).

The spelling of 1232111100132 in words is "one trillion, two hundred thirty-two billion, one hundred eleven million, one hundred thousand, one hundred thirty-two".