113213201213 has 8 divisors (see below), whose sum is σ = 132883448832. Its totient is φ = 94417186896.

The previous prime is 113213201201. The next prime is 113213201243. The reversal of 113213201213 is 312102312311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113213201213 - 2¹⁰ = 113213200189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213201243) 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, 218558045 + ... + 218558562.

It is an arithmetic number, because the mean of its divisors is an integer number (16610431104).

Almost surely, 2^113213201213 is an apocalyptic number.

It is an amenable number.

113213201213 is a deficient number, since it is larger than the sum of its proper divisors (19670247619).

113213201213 is an equidigital number, since it uses as much as digits as its factorization.

113213201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437116651.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113213201213 its reverse (312102312311), we get a palindrome (425315513524).

The spelling of 113213201213 in words is "one hundred thirteen billion, two hundred thirteen million, two hundred one thousand, two hundred thirteen".