212424010444 has 48 divisors (see below), whose sum is σ = 397769142400. Its totient is φ = 98973052416.

The previous prime is 212424010439. The next prime is 212424010453. The reversal of 212424010444 is 444010424212.

It is a happy number.

It is a super-2 number, since 2×212424010444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113247 + ... + 1290025.

Almost surely, 2^212424010444 is an apocalyptic number.

It is an amenable number.

212424010444 is a deficient number, since it is larger than the sum of its proper divisors (185345131956).

212424010444 is a wasteful number, since it uses less digits than its factorization.

212424010444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177062 (or 177060 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 212424010444 its reverse (444010424212), we get a palindrome (656434434656).

The spelling of 212424010444 in words is "two hundred twelve billion, four hundred twenty-four million, ten thousand, four hundred forty-four".