212043343305100 has 72 divisors (see below), whose sum is σ = 472600525849200. Its totient is φ = 82530287078400.

The previous prime is 212043343305071. The next prime is 212043343305121. The reversal of 212043343305100 is 1503343340212.

It is a happy 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, 66675505 + ... + 69783304.

It is an arithmetic number, because the mean of its divisors is an integer number (6563896192350).

Almost surely, 2^{212043343305100} is an apocalyptic number.

212043343305100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212043343305100 is an abundant number, since it is smaller than the sum of its proper divisors (260557182544100).

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

212043343305100 is a wasteful number, since it uses less digits than its factorization.

212043343305100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136459243 (or 136459236 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 212043343305100 its reverse (1503343340212), we get a palindrome (213546686645312).

The spelling of 212043343305100 in words is "two hundred twelve trillion, forty-three billion, three hundred forty-three million, three hundred five thousand, one hundred".