12211325120 has 56 divisors (see below), whose sum is σ = 29290572864. Its totient is φ = 4848859136.

The previous prime is 12211325111. The next prime is 12211325143. The reversal of 12211325120 is 2152311221.

It is a super-2 number, since 2×12211325120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12211325092 and 12211325101.

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, 95432 + ... + 183111.

It is an arithmetic number, because the mean of its divisors is an integer number (523045944).

Almost surely, 2^12211325120 is an apocalyptic number.

12211325120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211325120 is an abundant number, since it is smaller than the sum of its proper divisors (17079247744).

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

12211325120 is a wasteful number, since it uses less digits than its factorization.

12211325120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278697 (or 278687 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12211325120 its reverse (2152311221), we get a palindrome (14363636341).

The spelling of 12211325120 in words is "twelve billion, two hundred eleven million, three hundred twenty-five thousand, one hundred twenty".