1111312002132 has 72 divisors (see below), whose sum is σ = 2848151656896. Its totient is φ = 365296086144.

The previous prime is 1111312002089. The next prime is 1111312002179. The reversal of 1111312002132 is 2312002131111.

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

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, 15540483 + ... + 15611829.

Almost surely, 2^{1111312002132} is an apocalyptic number.

1111312002132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111312002132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424075828448).

1111312002132 is an abundant number, since it is smaller than the sum of its proper divisors (1736839654764).

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

1111312002132 is a wasteful number, since it uses less digits than its factorization.

1111312002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77357 (or 77352 counting only the distinct ones).

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

Adding to 1111312002132 its reverse (2312002131111), we get a palindrome (3423314133243).

The spelling of 1111312002132 in words is "one trillion, one hundred eleven billion, three hundred twelve million, two thousand, one hundred thirty-two".