121214200 has 48 divisors (see below), whose sum is σ = 291555000. Its totient is φ = 46811520.

The previous prime is 121214179. The next prime is 121214221. The reversal of 121214200 is 2412121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121214179) and next prime (121214221).

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, 4650 + ... + 16249.

Almost surely, 2^121214200 is an apocalyptic number.

121214200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121214200 is an abundant number, since it is smaller than the sum of its proper divisors (170340800).

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

121214200 is a wasteful number, since it uses less digits than its factorization.

121214200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20944 (or 20935 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121214200 is about 11009.7320585017. The cubic root of 121214200 is about 494.9004323084.

Adding to 121214200 its reverse (2412121), we get a palindrome (123626321).

The spelling of 121214200 in words is "one hundred twenty-one million, two hundred fourteen thousand, two hundred".