212033505213 has 24 divisors (see below), whose sum is σ = 309120634368. Its totient is φ = 140041410432.

The previous prime is 212033505197. The next prime is 212033505217. The reversal of 212033505213 is 312505330212.

It is a happy number.

212033505213 is a `hidden beast` number, since 2 + 120 + 33 + 505 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 212033505213 - 2⁴ = 212033505197 is a prime.

It is a super-2 number, since 2×212033505213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033505217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2259556 + ... + 2351522.

It is an arithmetic number, because the mean of its divisors is an integer number (12880026432).

Almost surely, 2^212033505213 is an apocalyptic number.

It is an amenable number.

212033505213 is a deficient number, since it is larger than the sum of its proper divisors (97087129155).

212033505213 is a wasteful number, since it uses less digits than its factorization.

212033505213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94353 (or 94350 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 212033505213 its reverse (312505330212), we get a palindrome (524538835425).

The spelling of 212033505213 in words is "two hundred twelve billion, thirty-three million, five hundred five thousand, two hundred thirteen".