212002323131100 has 72 divisors (see below), whose sum is σ = 645677250816640. Its totient is φ = 53558481631680.

The previous prime is 212002323131077. The next prime is 212002323131113. The reversal of 212002323131100 is 1131323200212.

It is a congruent number.

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, 18596689312 + ... + 18596700711.

Almost surely, 2^{212002323131100} is an apocalyptic number.

212002323131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002323131100 is an abundant number, since it is smaller than the sum of its proper divisors (433674927685540).

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

212002323131100 is a wasteful number, since it uses less digits than its factorization.

212002323131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37193390059 (or 37193390052 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212002323131100 its reverse (1131323200212), we get a palindrome (213133646331312).

The spelling of 212002323131100 in words is "two hundred twelve trillion, two billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred".