12121230200111 has 8 divisors (see below), whose sum is σ = 12835382438304. Its totient is φ = 11407204483840.

The previous prime is 12121230200083. The next prime is 12121230200119. The reversal of 12121230200111 is 11100203212121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121230200111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12121230200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121230200119) by changing a digit.

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, 31433195 + ... + 31816476.

It is an arithmetic number, because the mean of its divisors is an integer number (1604422804788).

Almost surely, 2^{12121230200111} is an apocalyptic number.

12121230200111 is a deficient number, since it is larger than the sum of its proper divisors (714152238193).

12121230200111 is a wasteful number, since it uses less digits than its factorization.

12121230200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63260961.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12121230200111 its reverse (11100203212121), we get a palindrome (23221433412232).

The spelling of 12121230200111 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty million, two hundred thousand, one hundred eleven".