212112121003200 has 336 divisors, whose sum is σ = 843520628545920. Its totient is φ = 51421120128000.

The previous prime is 212112121003177. The next prime is 212112121003213. The reversal of 212112121003200 is 2300121211212.

212112121003200 is a `hidden beast` number, since 2 + 12 + 1 + 121 + 210 + 0 + 320 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222706746 + ... + 223657145.

Almost surely, 2^{212112121003200} is an apocalyptic number.

212112121003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112121003200 is an abundant number, since it is smaller than the sum of its proper divisors (631408507542720).

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

212112121003200 is a wasteful number, since it uses less digits than its factorization.

212112121003200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446363933 (or 446363912 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212112121003200 its reverse (2300121211212), we get a palindrome (214412242214412).

The spelling of 212112121003200 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, three thousand, two hundred".