1233042213 has 64 divisors (see below), whose sum is σ = 1933424640. Its totient is φ = 692659968.

The previous prime is 1233042203. The next prime is 1233042233. The reversal of 1233042213 is 3122403321.

It is not a de Polignac number, because 1233042213 - 2¹⁰ = 1233041189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1233042213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233042203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2783170 + ... + 2783612.

It is an arithmetic number, because the mean of its divisors is an integer number (30209760).

Almost surely, 2^1233042213 is an apocalyptic number.

1233042213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1233042213 is a deficient number, since it is larger than the sum of its proper divisors (700382427).

1233042213 is a wasteful number, since it uses less digits than its factorization.

1233042213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1233042213 is about 35114.7008103444. The cubic root of 1233042213 is about 1072.3238899928.

Adding to 1233042213 its reverse (3122403321), we get a palindrome (4355445534).

The spelling of 1233042213 in words is "one billion, two hundred thirty-three million, forty-two thousand, two hundred thirteen".