12002021021222 has 8 divisors (see below), whose sum is σ = 18122256906672. Its totient is φ = 5961268719000.

The previous prime is 12002021021219. The next prime is 12002021021267. The reversal of 12002021021222 is 22212012020021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12002021021222.

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, 19870895429 + ... + 19870896032.

It is an arithmetic number, because the mean of its divisors is an integer number (2265282113334).

Almost surely, 2^{12002021021222} is an apocalyptic number.

12002021021222 is a deficient number, since it is larger than the sum of its proper divisors (6120235885450).

12002021021222 is a wasteful number, since it uses less digits than its factorization.

12002021021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39741791614.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002021021222 its reverse (22212012020021), we get a palindrome (34214033041243).

The spelling of 12002021021222 in words is "twelve trillion, two billion, twenty-one million, twenty-one thousand, two hundred twenty-two".