12242021012 has 12 divisors (see below), whose sum is σ = 23071501236. Its totient is φ = 5650163520.

The previous prime is 12242020969. The next prime is 12242021023. The reversal of 12242021012 is 21012024221.

It can be written as a sum of positive squares in 2 ways, for example, as 474978436 + 11767042576 = 21794^2 + 108476^2 .

It is a super-4 number, since 4×12242021012⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117711689 + ... + 117711792.

It is an arithmetic number, because the mean of its divisors is an integer number (1922625103).

Almost surely, 2^12242021012 is an apocalyptic number.

It is an amenable number.

12242021012 is a deficient number, since it is larger than the sum of its proper divisors (10829480224).

12242021012 is a wasteful number, since it uses less digits than its factorization.

12242021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235423498 (or 235423496 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12242021012 its reverse (21012024221), we get a palindrome (33254045233).

The spelling of 12242021012 in words is "twelve billion, two hundred forty-two million, twenty-one thousand, twelve".