12021222112202 has 16 divisors (see below), whose sum is σ = 18604523448000. Its totient is φ = 5821823652960.

The previous prime is 12021222112201. The next prime is 12021222112231. The reversal of 12021222112202 is 20221122212021.

It is not an unprimeable number, because it can be changed into a prime (12021222112201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527327702 + ... + 527350497.

It is an arithmetic number, because the mean of its divisors is an integer number (1162782715500).

Almost surely, 2^{12021222112202} is an apocalyptic number.

12021222112202 is a deficient number, since it is larger than the sum of its proper divisors (6583301335798).

12021222112202 is a wasteful number, since it uses less digits than its factorization.

12021222112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054678381.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12021222112202 its reverse (20221122212021), we get a palindrome (32242344324223).

The spelling of 12021222112202 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred two".