212022001233 has 18 divisors (see below), whose sum is σ = 356254655874. Its totient is φ = 121155429024.

The previous prime is 212022001189. The next prime is 212022001271. The reversal of 212022001233 is 332100220212.

212022001233 is a `hidden beast` number, since 212 + 0 + 220 + 0 + 1 + 233 = 666.

It can be written as a sum of positive squares in only one way, i.e., 210119558544 + 1902442689 = 458388^2 + 43617^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212022001233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212022001133) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 240387316 + ... + 240388197.

Almost surely, 2^212022001233 is an apocalyptic number.

It is an amenable number.

212022001233 is a deficient number, since it is larger than the sum of its proper divisors (144232654641).

212022001233 is a wasteful number, since it uses less digits than its factorization.

212022001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480775533 (or 480775523 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212022001233 its reverse (332100220212), we get a palindrome (544122221445).

The spelling of 212022001233 in words is "two hundred twelve billion, twenty-two million, one thousand, two hundred thirty-three".