1113210231232 has 56 divisors (see below), whose sum is σ = 2412120064752. Its totient is φ = 505527398400.

The previous prime is 1113210231197. The next prime is 1113210231253. The reversal of 1113210231232 is 2321320123111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768 + ... + 1492120.

Almost surely, 2^{1113210231232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113210231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206060032376).

1113210231232 is an abundant number, since it is smaller than the sum of its proper divisors (1298909833520).

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

1113210231232 is a wasteful number, since it uses less digits than its factorization.

1113210231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491437 (or 1491427 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1113210231232 its reverse (2321320123111), we get a palindrome (3434530354343).

The spelling of 1113210231232 in words is "one trillion, one hundred thirteen billion, two hundred ten million, two hundred thirty-one thousand, two hundred thirty-two".