212211210023 has 8 divisors (see below), whose sum is σ = 212823262080. Its totient is φ = 211599433080.

The previous prime is 212211209957. The next prime is 212211210037. The reversal of 212211210023 is 320012112212.

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

It is a cyclic number.

It is not a de Polignac number, because 212211210023 - 2¹⁶ = 212211144487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212211209983 and 212211210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211210223) 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, 1529486 + ... + 1662452.

It is an arithmetic number, because the mean of its divisors is an integer number (26602907760).

Almost surely, 2^212211210023 is an apocalyptic number.

212211210023 is a deficient number, since it is larger than the sum of its proper divisors (612052057).

212211210023 is a wasteful number, since it uses less digits than its factorization.

212211210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137557.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212211210023 its reverse (320012112212), we get a palindrome (532223322235).

The spelling of 212211210023 in words is "two hundred twelve billion, two hundred eleven million, two hundred ten thousand, twenty-three".