20212012201223 has 2 divisors, whose sum is σ = 20212012201224. Its totient is φ = 20212012201222.

The previous prime is 20212012201141. The next prime is 20212012201253. The reversal of 20212012201223 is 32210221021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212012201223 - 2¹⁴ = 20212012184839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20212012201195 and 20212012201204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212012201253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106006100611 + 10106006100612.

It is an arithmetic number, because the mean of its divisors is an integer number (10106006100612).

Almost surely, 2^{20212012201223} is an apocalyptic number.

20212012201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212012201223 is an equidigital number, since it uses as much as digits as its factorization.

20212012201223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20212012201223 its reverse (32210221021202), we get a palindrome (52422233222425).

The spelling of 20212012201223 in words is "twenty trillion, two hundred twelve billion, twelve million, two hundred one thousand, two hundred twenty-three".