212212023 has 8 divisors (see below), whose sum is σ = 289850736. Its totient is φ = 138024000.

The previous prime is 212211997. The next prime is 212212051. The reversal of 212212023 is 320212212.

It is a happy number.

212212023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-212212023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212211993 and 212212011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862528 + ... + 862773.

It is an arithmetic number, because the mean of its divisors is an integer number (36231342).

Almost surely, 2^212212023 is an apocalyptic number.

212212023 is a deficient number, since it is larger than the sum of its proper divisors (77638713).

212212023 is a wasteful number, since it uses less digits than its factorization.

212212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725345.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212212023 is about 14567.4988587609. The cubic root of 212212023 is about 596.4719088395.

Adding to 212212023 its reverse (320212212), we get a palindrome (532424235).

The spelling of 212212023 in words is "two hundred twelve million, two hundred twelve thousand, twenty-three".