212033021023 has 4 divisors (see below), whose sum is σ = 221251848048. Its totient is φ = 202814194000.

The previous prime is 212033020987. The next prime is 212033021029. The reversal of 212033021023 is 320120330212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212033021023 - 2¹³ = 212033012831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033021029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4609413478 + ... + 4609413523.

It is an arithmetic number, because the mean of its divisors is an integer number (55312962012).

Almost surely, 2^212033021023 is an apocalyptic number.

212033021023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212033021023 is a deficient number, since it is larger than the sum of its proper divisors (9218827025).

212033021023 is an equidigital number, since it uses as much as digits as its factorization.

212033021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218827024.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212033021023 its reverse (320120330212), we get a palindrome (532153351235).

The spelling of 212033021023 in words is "two hundred twelve billion, thirty-three million, twenty-one thousand, twenty-three".