212000100244 has 24 divisors (see below), whose sum is σ = 393146649000. Its totient is φ = 99682738176.

The previous prime is 212000100239. The next prime is 212000100251. The reversal of 212000100244 is 442001000212.

It can be written as a sum of positive squares in 4 ways, for example, as 64668490000 + 147331610244 = 254300^2 + 383838^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198119 + ... + 1363630.

It is an arithmetic number, because the mean of its divisors is an integer number (16381110375).

Almost surely, 2^212000100244 is an apocalyptic number.

It is an amenable number.

212000100244 is a deficient number, since it is larger than the sum of its proper divisors (181146548756).

212000100244 is a wasteful number, since it uses less digits than its factorization.

212000100244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562987 (or 2562985 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212000100244 its reverse (442001000212), we get a palindrome (654001100456).

The spelling of 212000100244 in words is "two hundred twelve billion, one hundred thousand, two hundred forty-four".