212001001111200 has 144 divisors (see below), whose sum is σ = 788643724196160. Its totient is φ = 48457371678720.

The previous prime is 212001001111177. The next prime is 212001001111253. The reversal of 212001001111200 is 2111100100212.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 6309536805 + ... + 6309570404.

It is an arithmetic number, because the mean of its divisors is an integer number (5476692529140).

Almost surely, 2^{212001001111200} is an apocalyptic number.

212001001111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001001111200 is an abundant number, since it is smaller than the sum of its proper divisors (576642723084960).

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

212001001111200 is a wasteful number, since it uses less digits than its factorization.

212001001111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12619107239 (or 12619107226 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212001001111200 its reverse (2111100100212), we get a palindrome (214112101211412).

The spelling of 212001001111200 in words is "two hundred twelve trillion, one billion, one million, one hundred eleven thousand, two hundred".