113212003 has 8 divisors (see below), whose sum is σ = 118757376. Its totient is φ = 107718600.

The previous prime is 113211953. The next prime is 113212009. The reversal of 113212003 is 300212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113212003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8493 + ... + 17278.

It is an arithmetic number, because the mean of its divisors is an integer number (14844672).

Almost surely, 2^113212003 is an apocalyptic number.

113212003 is a deficient number, since it is larger than the sum of its proper divisors (5545373).

113212003 is a wasteful number, since it uses less digits than its factorization.

113212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25985.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113212003 is about 10640.1129223331. The cubic root of 113212003 is about 483.7609681315.

Adding to 113212003 its reverse (300212311), we get a palindrome (413424314).

The spelling of 113212003 in words is "one hundred thirteen million, two hundred twelve thousand, three".