12101221212022 has 16 divisors (see below), whose sum is σ = 18321945403392. Its totient is φ = 5993908980840.

The previous prime is 12101221211999. The next prime is 12101221212023. The reversal of 12101221212022 is 22021212210121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101221212023) 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, 7867747 + ... + 9279217.

It is an arithmetic number, because the mean of its divisors is an integer number (1145121587712).

Almost surely, 2^{12101221212022} is an apocalyptic number.

12101221212022 is a deficient number, since it is larger than the sum of its proper divisors (6220724191370).

12101221212022 is a wasteful number, since it uses less digits than its factorization.

12101221212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451643.

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

Adding to 12101221212022 its reverse (22021212210121), we get a palindrome (34122433422143).

The spelling of 12101221212022 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, twenty-two".