212120022003200 has 120 divisors (see below), whose sum is σ = 525553168350672. Its totient is φ = 84846516715520.

The previous prime is 212120022003173. The next prime is 212120022003203. The reversal of 212120022003200 is 2300220021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120022003203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991214612 + ... + 991428588.

Almost surely, 2^{212120022003200} is an apocalyptic number.

212120022003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120022003200 is an abundant number, since it is smaller than the sum of its proper divisors (313433146347472).

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

212120022003200 is an equidigital number, since it uses as much as digits as its factorization.

212120022003200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291452 (or 291431 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212120022003200 its reverse (2300220021212), we get a palindrome (214420242024412).

The spelling of 212120022003200 in words is "two hundred twelve trillion, one hundred twenty billion, twenty-two million, three thousand, two hundred".