213012400033 has 16 divisors (see below), whose sum is σ = 220639896576. Its totient is φ = 205432888320.

The previous prime is 213012400021. The next prime is 213012400039. The reversal of 213012400033 is 330004210312.

It is a cyclic number.

It is not a de Polignac number, because 213012400033 - 2¹³ = 213012391841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213012400039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21804516 + ... + 21814282.

It is an arithmetic number, because the mean of its divisors is an integer number (13789993536).

Almost surely, 2^213012400033 is an apocalyptic number.

It is an amenable number.

213012400033 is a deficient number, since it is larger than the sum of its proper divisors (7627496543).

213012400033 is a wasteful number, since it uses less digits than its factorization.

213012400033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12144.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213012400033 its reverse (330004210312), we get a palindrome (543016610345).

The spelling of 213012400033 in words is "two hundred thirteen billion, twelve million, four hundred thousand, thirty-three".