212013212333 has 4 divisors (see below), whose sum is σ = 228321920988. Its totient is φ = 195704503680.

The previous prime is 212013212321. The next prime is 212013212347. The reversal of 212013212333 is 333212310212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8700598729 + 203312613604 = 93277^2 + 450902^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013212333 - 2⁸ = 212013212077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212013212299 and 212013212308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013212363) 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, 8154354308 + ... + 8154354333.

It is an arithmetic number, because the mean of its divisors is an integer number (57080480247).

Almost surely, 2^212013212333 is an apocalyptic number.

It is an amenable number.

212013212333 is a deficient number, since it is larger than the sum of its proper divisors (16308708655).

212013212333 is a wasteful number, since it uses less digits than its factorization.

212013212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16308708654.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212013212333 its reverse (333212310212), we get a palindrome (545225522545).

The spelling of 212013212333 in words is "two hundred twelve billion, thirteen million, two hundred twelve thousand, three hundred thirty-three".