11522123312 has 20 divisors (see below), whose sum is σ = 25513273296. Its totient is φ = 4938052800.

The previous prime is 11522123311. The next prime is 11522123341. The reversal of 11522123312 is 21332122511.

It is not an unprimeable number, because it can be changed into a prime (11522123311) 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, 51437939 + ... + 51438162.

Almost surely, 2^11522123312 is an apocalyptic number.

It is an amenable number.

11522123312 is an abundant number, since it is smaller than the sum of its proper divisors (13991149984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11522123312 is a wasteful number, since it uses less digits than its factorization.

11522123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102876116 (or 102876110 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

Adding to 11522123312 its reverse (21332122511), we get a palindrome (32854245823).

The spelling of 11522123312 in words is "eleven billion, five hundred twenty-two million, one hundred twenty-three thousand, three hundred twelve".