1213130112223 has 4 divisors (see below), whose sum is σ = 1220394364560. Its totient is φ = 1205865859888.

The previous prime is 1213130112221. The next prime is 1213130112281. The reversal of 1213130112223 is 3222110313121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1213130112223 - 2¹ = 1213130112221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213130112194 and 1213130112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213130112221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3632125918 + ... + 3632126251.

It is an arithmetic number, because the mean of its divisors is an integer number (305098591140).

Almost surely, 2^{1213130112223} is an apocalyptic number.

1213130112223 is a deficient number, since it is larger than the sum of its proper divisors (7264252337).

1213130112223 is an equidigital number, since it uses as much as digits as its factorization.

1213130112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264252336.

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

Adding to 1213130112223 its reverse (3222110313121), we get a palindrome (4435240425344).

The spelling of 1213130112223 in words is "one trillion, two hundred thirteen billion, one hundred thirty million, one hundred twelve thousand, two hundred twenty-three".