12221011212202 has 32 divisors (see below), whose sum is σ = 20600253813888. Its totient is φ = 5395153490496.

The previous prime is 12221011212149. The next prime is 12221011212203. The reversal of 12221011212202 is 20221211012221.

12221011212202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12221011212202.

It is not an unprimeable number, because it can be changed into a prime (12221011212203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82098613 + ... + 82247335.

It is an arithmetic number, because the mean of its divisors is an integer number (643757931684).

Almost surely, 2^{12221011212202} is an apocalyptic number.

12221011212202 is a deficient number, since it is larger than the sum of its proper divisors (8379242601686).

12221011212202 is a wasteful number, since it uses less digits than its factorization.

12221011212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286174.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221011212202 its reverse (20221211012221), we get a palindrome (32442222224423).

The spelling of 12221011212202 in words is "twelve trillion, two hundred twenty-one billion, eleven million, two hundred twelve thousand, two hundred two".