212323003311100 has 72 divisors (see below), whose sum is σ = 502631023305600. Its totient is φ = 77207663121600.

The previous prime is 212323003311091. The next prime is 212323003311101. The reversal of 212323003311100 is 1113300323212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323003311101) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 128936731 + ... + 130573069.

It is an arithmetic number, because the mean of its divisors is an integer number (6980986434800).

Almost surely, 2^{212323003311100} is an apocalyptic number.

212323003311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212323003311100 is an abundant number, since it is smaller than the sum of its proper divisors (290308019994500).

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

212323003311100 is a wasteful number, since it uses less digits than its factorization.

212323003311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754323 (or 1754316 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212323003311100 its reverse (1113300323212), we get a palindrome (213436303634312).

The spelling of 212323003311100 in words is "two hundred twelve trillion, three hundred twenty-three billion, three million, three hundred eleven thousand, one hundred".