1213202310233 has 4 divisors (see below), whose sum is σ = 1214539910160. Its totient is φ = 1211864710308.

The previous prime is 1213202310223. The next prime is 1213202310329. The reversal of 1213202310233 is 3320132023121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1213202310233 - 2¹⁸ = 1213202048089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213202310199 and 1213202310208.

It is not an unprimeable number, because it can be changed into a prime (1213202310223) 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, 668798603 + ... + 668800416.

It is an arithmetic number, because the mean of its divisors is an integer number (303634977540).

Almost surely, 2^{1213202310233} is an apocalyptic number.

It is an amenable number.

1213202310233 is a deficient number, since it is larger than the sum of its proper divisors (1337599927).

1213202310233 is an equidigital number, since it uses as much as digits as its factorization.

1213202310233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337599926.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1213202310233 its reverse (3320132023121), we get a palindrome (4533334333354).

The spelling of 1213202310233 in words is "one trillion, two hundred thirteen billion, two hundred two million, three hundred ten thousand, two hundred thirty-three".