12121200100022 has 16 divisors (see below), whose sum is σ = 19582434048240. Its totient is φ = 5593818935712.

The previous prime is 12121200100001. The next prime is 12121200100073. The reversal of 12121200100022 is 22000100212121.

12121200100022 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 7 ways as a sum of consecutive naturals, for example, 23957768 + ... + 24458475.

It is an arithmetic number, because the mean of its divisors is an integer number (1223902128015).

Almost surely, 2^{12121200100022} is an apocalyptic number.

12121200100022 is a deficient number, since it is larger than the sum of its proper divisors (7461233948218).

12121200100022 is a wasteful number, since it uses less digits than its factorization.

12121200100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48425887.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12121200100022 its reverse (22000100212121), we get a palindrome (34121300312143).

The spelling of 12121200100022 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, one hundred thousand, twenty-two".