1213000333 has 8 divisors (see below), whose sum is σ = 1252797696. Its totient is φ = 1173244800.

The previous prime is 1213000331. The next prime is 1213000343. The reversal of 1213000333 is 3330003121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213000333 - 2¹ = 1213000331 is a prime.

It is a super-2 number, since 2×1213000333² = 2942739615716221778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213000331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55110 + ... + 73912.

It is an arithmetic number, because the mean of its divisors is an integer number (156599712).

Almost surely, 2^1213000333 is an apocalyptic number.

It is an amenable number.

1213000333 is a deficient number, since it is larger than the sum of its proper divisors (39797363).

1213000333 is a wasteful number, since it uses less digits than its factorization.

1213000333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20915.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1213000333 is about 34828.1543151514. The cubic root of 1213000333 is about 1066.4822705447.

Adding to 1213000333 its reverse (3330003121), we get a palindrome (4543003454).

The spelling of 1213000333 in words is "one billion, two hundred thirteen million, three hundred thirty-three", and thus it is an aban number.