212001123300 has 72 divisors (see below), whose sum is σ = 614160232896. Its totient is φ = 56462636160.

The previous prime is 212001123247. The next prime is 212001123391. The reversal of 212001123300 is 3321100212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212001123300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204232 + ... + 682431.

Almost surely, 2^212001123300 is an apocalyptic number.

212001123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001123300 is an abundant number, since it is smaller than the sum of its proper divisors (402159109596).

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

212001123300 is a wasteful number, since it uses less digits than its factorization.

212001123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887477 (or 887470 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212001123300 its reverse (3321100212), we get a palindrome (215322223512).

The spelling of 212001123300 in words is "two hundred twelve billion, one million, one hundred twenty-three thousand, three hundred".