212333133233 has 16 divisors (see below), whose sum is σ = 234534134016. Its totient is φ = 191006175360.

The previous prime is 212333133209. The next prime is 212333133239. The reversal of 212333133233 is 332331333212.

It is a de Polignac number, because none of the positive numbers 2^k-212333133233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212333133196 and 212333133205.

It is not an unprimeable number, because it can be changed into a prime (212333133239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603383 + ... + 888108.

It is an arithmetic number, because the mean of its divisors is an integer number (14658383376).

Almost surely, 2^212333133233 is an apocalyptic number.

It is an amenable number.

212333133233 is a deficient number, since it is larger than the sum of its proper divisors (22201000783).

212333133233 is a wasteful number, since it uses less digits than its factorization.

212333133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491784.

The product of its digits is 17496, while the sum is 29.

Adding to 212333133233 its reverse (332331333212), we get a palindrome (544664466445).

The spelling of 212333133233 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred thirty-three thousand, two hundred thirty-three".