212001122110023 has 12 divisors (see below), whose sum is σ = 311414077676520. Its totient is φ = 138938588501136.

The previous prime is 212001122110021. The next prime is 212001122110033. The reversal of 212001122110023 is 320011221100212.

It is not a de Polignac number, because 212001122110023 - 2¹ = 212001122110021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212001122109978 and 212001122110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001122110021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199624408236 + ... + 199624409297.

It is an arithmetic number, because the mean of its divisors is an integer number (25951173139710).

Almost surely, 2^{212001122110023} is an apocalyptic number.

212001122110023 is a deficient number, since it is larger than the sum of its proper divisors (99412955566497).

212001122110023 is a wasteful number, since it uses less digits than its factorization.

212001122110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399248817598 (or 399248817595 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212001122110023 its reverse (320011221100212), we get a palindrome (532012343210235).

The spelling of 212001122110023 in words is "two hundred twelve trillion, one billion, one hundred twenty-two million, one hundred ten thousand, twenty-three".