121012120200200 has 96 divisors (see below), whose sum is σ = 285827622974400. Its totient is φ = 47640817647360.

The previous prime is 121012120200187. The next prime is 121012120200227. The reversal of 121012120200200 is 2002021210121.

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, 14661755 + ... + 21377354.

It is an arithmetic number, because the mean of its divisors is an integer number (2977371072650).

Almost surely, 2^{121012120200200} is an apocalyptic number.

121012120200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012120200200 is an abundant number, since it is smaller than the sum of its proper divisors (164815502774200).

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

121012120200200 is a wasteful number, since it uses less digits than its factorization.

121012120200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36039391 (or 36039382 counting only the distinct ones).

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

Adding to 121012120200200 its reverse (2002021210121), we get a palindrome (123014141410321).

The spelling of 121012120200200 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty million, two hundred thousand, two hundred".