12102020222 has 4 divisors (see below), whose sum is σ = 18153030336. Its totient is φ = 6051010110.

The previous prime is 12102020221. The next prime is 12102020237. The reversal of 12102020222 is 22202020121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22202020121 = 9497 ⋅2337793.

It is a junction number, because it is equal to n+sod(n) for n = 12102020197 and 12102020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102020221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025505054 + ... + 3025505057.

It is an arithmetic number, because the mean of its divisors is an integer number (4538257584).

Almost surely, 2^12102020222 is an apocalyptic number.

12102020222 is a deficient number, since it is larger than the sum of its proper divisors (6051010114).

12102020222 is an equidigital number, since it uses as much as digits as its factorization.

12102020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051010113.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12102020222 its reverse (22202020121), we get a palindrome (34304040343).

The spelling of 12102020222 in words is "twelve billion, one hundred two million, twenty thousand, two hundred twenty-two".