12212210012022 has 24 divisors (see below), whose sum is σ = 26460416881080. Its totient is φ = 4070639975040.

The previous prime is 12212210012017. The next prime is 12212210012027. The reversal of 12212210012022 is 22021001221221.

It is a happy number.

12212210012022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12212210012017) and next prime (12212210012027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12212210011986 and 12212210012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212210012027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7277104 + ... + 8796627.

It is an arithmetic number, because the mean of its divisors is an integer number (1102517370045).

Almost surely, 2^{12212210012022} is an apocalyptic number.

12212210012022 is an abundant number, since it is smaller than the sum of its proper divisors (14248206869058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212210012022 is a wasteful number, since it uses less digits than its factorization.

12212210012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115948 (or 16115945 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12212210012022 its reverse (22021001221221), we get a palindrome (34233211233243).

The spelling of 12212210012022 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, twelve thousand, twenty-two".