1201112331132 has 48 divisors (see below), whose sum is σ = 3289532879360. Its totient is φ = 333899952192.

The previous prime is 1201112331131. The next prime is 1201112331143. The reversal of 1201112331132 is 2311332111021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1201112331099 and 1201112331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112331131) 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, 193226032 + ... + 193232247.

Almost surely, 2^{1201112331132} is an apocalyptic number.

1201112331132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201112331132 is an abundant number, since it is smaller than the sum of its proper divisors (2088420548228).

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

1201112331132 is a wasteful number, since it uses less digits than its factorization.

1201112331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386458330 (or 386458328 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1201112331132 its reverse (2311332111021), we get a palindrome (3512444442153).

The spelling of 1201112331132 in words is "one trillion, two hundred one billion, one hundred twelve million, three hundred thirty-one thousand, one hundred thirty-two".