20212012222231 has 8 divisors (see below), whose sum is σ = 21308226244704. Its totient is φ = 19133917440000.

The previous prime is 20212012222223. The next prime is 20212012222253. The reversal of 20212012222231 is 13222221021202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20212012222231 - 2³ = 20212012222223 is a prime.

It is a super-2 number, since 2×20212012222231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212012222211) 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, 4529807770 + ... + 4529812231.

It is an arithmetic number, because the mean of its divisors is an integer number (2663528280588).

Almost surely, 2^{20212012222231} is an apocalyptic number.

20212012222231 is a deficient number, since it is larger than the sum of its proper divisors (1096214022473).

20212012222231 is an equidigital number, since it uses as much as digits as its factorization.

20212012222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059620121.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20212012222231 its reverse (13222221021202), we get a palindrome (33434233243433).

The spelling of 20212012222231 in words is "twenty trillion, two hundred twelve billion, twelve million, two hundred twenty-two thousand, two hundred thirty-one".