212023011 has 8 divisors (see below), whose sum is σ = 283411024. Its totient is φ = 140991840.

The previous prime is 212023003. The next prime is 212023079. The reversal of 212023011 is 110320212.

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

It is not a de Polignac number, because 212023011 - 2³ = 212023003 is a prime.

It is a super-2 number, since 2×212023011² = 89907514387012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212023001) 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, 87820 + ... + 90201.

It is an arithmetic number, because the mean of its divisors is an integer number (35426378).

Almost surely, 2^212023011 is an apocalyptic number.

212023011 is a deficient number, since it is larger than the sum of its proper divisors (71388013).

212023011 is a wasteful number, since it uses less digits than its factorization.

212023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178421.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212023011 is about 14561.0099581039. The cubic root of 212023011 is about 596.2947686456.

Adding to 212023011 its reverse (110320212), we get a palindrome (322343223).

The spelling of 212023011 in words is "two hundred twelve million, twenty-three thousand, eleven".