212123310300 has 180 divisors, whose sum is σ = 750131191656. Its totient is φ = 51423811200.

The previous prime is 212123310293. The next prime is 212123310323. The reversal of 212123310300 is 3013321212.

212123310300 is a `hidden beast` number, since 2 + 121 + 233 + 10 + 300 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1101267 + ... + 1279466.

Almost surely, 2^212123310300 is an apocalyptic number.

212123310300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212123310300 is an abundant number, since it is smaller than the sum of its proper divisors (538007881356).

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

212123310300 is a wasteful number, since it uses less digits than its factorization.

212123310300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380770 (or 2380754 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212123310300 its reverse (3013321212), we get a palindrome (215136631512).

The spelling of 212123310300 in words is "two hundred twelve billion, one hundred twenty-three million, three hundred ten thousand, three hundred".