212101123004412 has 96 divisors (see below), whose sum is σ = 504784758374400. Its totient is φ = 69303325291200.

The previous prime is 212101123004383. The next prime is 212101123004437. The reversal of 212101123004412 is 214400321101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73581237 + ... + 76409427.

It is an arithmetic number, because the mean of its divisors is an integer number (5258174566400).

Almost surely, 2^{212101123004412} is an apocalyptic number.

It is an amenable number.

212101123004412 is an abundant number, since it is smaller than the sum of its proper divisors (292683635369988).

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

212101123004412 is a wasteful number, since it uses less digits than its factorization.

212101123004412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828847 (or 2828845 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 212101123004412 its reverse (214400321101212), we get a palindrome (426501444105624).

The spelling of 212101123004412 in words is "two hundred twelve trillion, one hundred one billion, one hundred twenty-three million, four thousand, four hundred twelve".