212412100444 has 12 divisors (see below), whose sum is σ = 371739599784. Its totient is φ = 106200786224.

The previous prime is 212412100421. The next prime is 212412100447. The reversal of 212412100444 is 444001214212.

It is a happy number.

212412100444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212412100447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224502 + ... + 1387165.

It is an arithmetic number, because the mean of its divisors is an integer number (30978299982).

Almost surely, 2^212412100444 is an apocalyptic number.

It is an amenable number.

212412100444 is a deficient number, since it is larger than the sum of its proper divisors (159327499340).

212412100444 is a wasteful number, since it uses less digits than its factorization.

212412100444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632004 (or 2632002 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 212412100444 its reverse (444001214212), we get a palindrome (656413314656).

The spelling of 212412100444 in words is "two hundred twelve billion, four hundred twelve million, one hundred thousand, four hundred forty-four".