212163626300 has 72 divisors (see below), whose sum is σ = 462271194000. Its totient is φ = 84520235520.

The previous prime is 212163626291. The next prime is 212163626309. The reversal of 212163626300 is 3626361212.

It is an interprime number because it is at equal distance from previous prime (212163626291) and next prime (212163626309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212163626309) by changing a digit.

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, 33256511 + ... + 33262889.

It is an arithmetic number, because the mean of its divisors is an integer number (6420433250).

Almost surely, 2^212163626300 is an apocalyptic number.

212163626300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212163626300 is an abundant number, since it is smaller than the sum of its proper divisors (250107567700).

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

212163626300 is a wasteful number, since it uses less digits than its factorization.

212163626300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695 (or 7688 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 212163626300 its reverse (3626361212), we get a palindrome (215789987512).

The spelling of 212163626300 in words is "two hundred twelve billion, one hundred sixty-three million, six hundred twenty-six thousand, three hundred".