121201000010200 has 48 divisors (see below), whose sum is σ = 307409809122360. Its totient is φ = 44073090912000.

The previous prime is 121201000010183. The next prime is 121201000010221. The reversal of 121201000010200 is 2010000102121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27545679621 + ... + 27545684020.

Almost surely, 2^{121201000010200} is an apocalyptic number.

121201000010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121201000010200 is an abundant number, since it is smaller than the sum of its proper divisors (186208809112160).

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

121201000010200 is a wasteful number, since it uses less digits than its factorization.

121201000010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55091363668 (or 55091363659 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121201000010200 its reverse (2010000102121), we get a palindrome (123211000112321).

The spelling of 121201000010200 in words is "one hundred twenty-one trillion, two hundred one billion, ten thousand, two hundred".