1233213001 has 4 divisors (see below), whose sum is σ = 1235876992. Its totient is φ = 1230549012.

The previous prime is 1233212999. The next prime is 1233213013. The reversal of 1233213001 is 1003123321.

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 1233213001 - 2¹ = 1233212999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233213061) 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, 1331301 + ... + 1332226.

It is an arithmetic number, because the mean of its divisors is an integer number (308969248).

Almost surely, 2^1233213001 is an apocalyptic number.

It is an amenable number.

1233213001 is a deficient number, since it is larger than the sum of its proper divisors (2663991).

1233213001 is an equidigital number, since it uses as much as digits as its factorization.

1233213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663990.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1233213001 is about 35117.1325851072. The cubic root of 1233213001 is about 1072.3733967049.

Adding to 1233213001 its reverse (1003123321), we get a palindrome (2236336322).

The spelling of 1233213001 in words is "one billion, two hundred thirty-three million, two hundred thirteen thousand, one".