12121010110200 has 96 divisors (see below), whose sum is σ = 37614561375600. Its totient is φ = 3228877532160.

The previous prime is 12121010110169. The next prime is 12121010110229. The reversal of 12121010110200 is 201101012121.

It is a super-2 number, since 2×12121010110200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10027195 + ... + 11170794.

Almost surely, 2^{12121010110200} is an apocalyptic number.

12121010110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121010110200 is an abundant number, since it is smaller than the sum of its proper divisors (25493551265400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121010110200 is a wasteful number, since it uses less digits than its factorization.

12121010110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21198961 (or 21198952 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121010110200 its reverse (201101012121), we get a palindrome (12322111122321).

The spelling of 12121010110200 in words is "twelve trillion, one hundred twenty-one billion, ten million, one hundred ten thousand, two hundred".