212023213011 has 40 divisors (see below), whose sum is σ = 318437984480. Its totient is φ = 140586098688.

The previous prime is 212023213001. The next prime is 212023213013. The reversal of 212023213011 is 110312320212.

212023213011 is a `hidden beast` number, since 21 + 20 + 2 + 321 + 301 + 1 = 666.

It is not a de Polignac number, because 212023213011 - 2¹⁰ = 212023211987 is a prime.

It is a super-2 number, since 2×212023213011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212023213013) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19712211 + ... + 19722963.

It is an arithmetic number, because the mean of its divisors is an integer number (7960949612).

Almost surely, 2^212023213011 is an apocalyptic number.

212023213011 is a deficient number, since it is larger than the sum of its proper divisors (106414771469).

212023213011 is a wasteful number, since it uses less digits than its factorization.

212023213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212023213011 its reverse (110312320212), we get a palindrome (322335533223).

The spelling of 212023213011 in words is "two hundred twelve billion, twenty-three million, two hundred thirteen thousand, eleven".