12122122021102 has 16 divisors (see below), whose sum is σ = 18210525602112. Its totient is φ = 6051947297760.

The previous prime is 12122122021091. The next prime is 12122122021123. The reversal of 12122122021102 is 20112022122121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122122021102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63313588 + ... + 63504760.

It is an arithmetic number, because the mean of its divisors is an integer number (1138157850132).

Almost surely, 2^{12122122021102} is an apocalyptic number.

12122122021102 is a deficient number, since it is larger than the sum of its proper divisors (6088403581010).

12122122021102 is a wasteful number, since it uses less digits than its factorization.

12122122021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238683.

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

Adding to 12122122021102 its reverse (20112022122121), we get a palindrome (32234144143223).

The spelling of 12122122021102 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred two".