12120021022 has 8 divisors (see below), whose sum is σ = 18602823096. Its totient is φ = 5919079992.

The previous prime is 12120021019. The next prime is 12120021037. The reversal of 12120021022 is 22012002121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12120020993 and 12120021011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70465153 + ... + 70465324.

It is an arithmetic number, because the mean of its divisors is an integer number (2325352887).

Almost surely, 2^12120021022 is an apocalyptic number.

12120021022 is a deficient number, since it is larger than the sum of its proper divisors (6482802074).

12120021022 is a wasteful number, since it uses less digits than its factorization.

12120021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140930522.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120021022 its reverse (22012002121), we get a palindrome (34132023143).

The spelling of 12120021022 in words is "twelve billion, one hundred twenty million, twenty-one thousand, twenty-two".