22043240012 has 6 divisors (see below), whose sum is σ = 38575670028. Its totient is φ = 11021620004.

The previous prime is 22043240003. The next prime is 22043240033. The reversal of 22043240012 is 21004234022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755404998 + ... + 2755405005.

It is an arithmetic number, because the mean of its divisors is an integer number (6429278338).

Almost surely, 2^22043240012 is an apocalyptic number.

It is an amenable number.

22043240012 is a deficient number, since it is larger than the sum of its proper divisors (16532430016).

22043240012 is a wasteful number, since it uses less digits than its factorization.

22043240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510810007 (or 5510810005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22043240012 its reverse (21004234022), we get a palindrome (43047474034).

The spelling of 22043240012 in words is "twenty-two billion, forty-three million, two hundred forty thousand, twelve".