1213000213233 has 4 divisors (see below), whose sum is σ = 1617333617648. Its totient is φ = 808666808820.

The previous prime is 1213000213181. The next prime is 1213000213289. The reversal of 1213000213233 is 3323120003121.

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 not a de Polignac number, because 1213000213233 - 2¹⁰ = 1213000212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213000213933) 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, 202166702203 + ... + 202166702208.

It is an arithmetic number, because the mean of its divisors is an integer number (404333404412).

Almost surely, 2^{1213000213233} is an apocalyptic number.

It is an amenable number.

1213000213233 is a deficient number, since it is larger than the sum of its proper divisors (404333404415).

1213000213233 is an equidigital number, since it uses as much as digits as its factorization.

1213000213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404333404414.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1213000213233 its reverse (3323120003121), we get a palindrome (4536120216354).

The spelling of 1213000213233 in words is "one trillion, two hundred thirteen billion, two hundred thirteen thousand, two hundred thirty-three".