12120211022 has 4 divisors (see below), whose sum is σ = 18180316536. Its totient is φ = 6060105510.

The previous prime is 12120211021. The next prime is 12120211043. The reversal of 12120211022 is 22011202121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12120210988 and 12120211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120211021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030052754 + ... + 3030052757.

It is an arithmetic number, because the mean of its divisors is an integer number (4545079134).

Almost surely, 2^12120211022 is an apocalyptic number.

12120211022 is a deficient number, since it is larger than the sum of its proper divisors (6060105514).

12120211022 is an equidigital number, since it uses as much as digits as its factorization.

12120211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060105513.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12120211022 its reverse (22011202121), we get a palindrome (34131413143).

The spelling of 12120211022 in words is "twelve billion, one hundred twenty million, two hundred eleven thousand, twenty-two".