11522233751212 has 12 divisors (see below), whose sum is σ = 20251961070880. Its totient is φ = 5735959159536.

The previous prime is 11522233751117. The next prime is 11522233751219. The reversal of 11522233751212 is 21215733222511.

It is a super-2 number, since 2×11522233751212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11522233751219) 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, 6289427988 + ... + 6289429819.

Almost surely, 2^{11522233751212} is an apocalyptic number.

It is an amenable number.

11522233751212 is a deficient number, since it is larger than the sum of its proper divisors (8729727319668).

11522233751212 is a wasteful number, since it uses less digits than its factorization.

11522233751212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12578858040 (or 12578858038 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

Adding to 11522233751212 its reverse (21215733222511), we get a palindrome (32737966973723).

The spelling of 11522233751212 in words is "eleven trillion, five hundred twenty-two billion, two hundred thirty-three million, seven hundred fifty-one thousand, two hundred twelve".