12211153124 has 24 divisors (see below), whose sum is σ = 21573242880. Its totient is φ = 6047528256.

The previous prime is 12211153103. The next prime is 12211153151. The reversal of 12211153124 is 42135111221.

It is a super-2 number, since 2×12211153124² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211153124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293957 + ... + 332915.

It is an arithmetic number, because the mean of its divisors is an integer number (898885120).

Almost surely, 2^12211153124 is an apocalyptic number.

It is an amenable number.

12211153124 is a deficient number, since it is larger than the sum of its proper divisors (9362089756).

12211153124 is a wasteful number, since it uses less digits than its factorization.

12211153124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39707 (or 39705 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

Adding to 12211153124 its reverse (42135111221), we get a palindrome (54346264345).

The spelling of 12211153124 in words is "twelve billion, two hundred eleven million, one hundred fifty-three thousand, one hundred twenty-four".