121112102201200 has 120 divisors (see below), whose sum is σ = 317449241140176. Its totient is φ = 44037235968000.

The previous prime is 121112102201197. The next prime is 121112102201219. The reversal of 121112102201200 is 2102201211121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54136830 + ... + 56329570.

Almost surely, 2^{121112102201200} is an apocalyptic number.

121112102201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121112102201200 is an abundant number, since it is smaller than the sum of its proper divisors (196337138938976).

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

121112102201200 is a wasteful number, since it uses less digits than its factorization.

121112102201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205323 (or 2205312 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121112102201200 its reverse (2102201211121), we get a palindrome (123214303412321).

The spelling of 121112102201200 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred two million, two hundred one thousand, two hundred".