212120331200010 has 96 divisors (see below), whose sum is σ = 559091160321408. Its totient is φ = 55792419177600.

The previous prime is 212120331199957. The next prime is 212120331200039. The reversal of 212120331200010 is 10002133021212.

212120331200010 is a `hidden beast` number, since 2 + 1 + 2 + 120 + 331 + 200 + 0 + 10 = 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41973532 + ... + 46754871.

It is an arithmetic number, because the mean of its divisors is an integer number (5823866253348).

Almost surely, 2^{212120331200010} is an apocalyptic number.

212120331200010 is an abundant number, since it is smaller than the sum of its proper divisors (346970829121398).

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

212120331200010 is a wasteful number, since it uses less digits than its factorization.

212120331200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88728780 (or 88728777 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212120331200010 its reverse (10002133021212), we get a palindrome (222122464221222).

The spelling of 212120331200010 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred thirty-one million, two hundred thousand, ten".