12121201210022 has 32 divisors (see below), whose sum is σ = 18834266880000. Its totient is φ = 5843681107488.

The previous prime is 12121201209991. The next prime is 12121201210033. The reversal of 12121201210022 is 22001210212121.

12121201210022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466204979 + ... + 466230977.

It is an arithmetic number, because the mean of its divisors is an integer number (588570840000).

Almost surely, 2^{12121201210022} is an apocalyptic number.

12121201210022 is a deficient number, since it is larger than the sum of its proper divisors (6713065669978).

12121201210022 is a wasteful number, since it uses less digits than its factorization.

12121201210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36620.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121201210022 its reverse (22001210212121), we get a palindrome (34122411422143).

The spelling of 12121201210022 in words is "twelve trillion, one hundred twenty-one billion, two hundred one million, two hundred ten thousand, twenty-two".