12211179630 has 32 divisors (see below), whose sum is σ = 31561203744. Its totient is φ = 3005828736.

The previous prime is 12211179613. The next prime is 12211179677. The reversal of 12211179630 is 3697111221.

It is a super-2 number, since 2×12211179630² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211179591 and 12211179600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15654969 + ... + 15655748.

It is an arithmetic number, because the mean of its divisors is an integer number (986287617).

Almost surely, 2^12211179630 is an apocalyptic number.

12211179630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211179630 is an abundant number, since it is smaller than the sum of its proper divisors (19350024114).

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

12211179630 is a wasteful number, since it uses less digits than its factorization.

12211179630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31310740.

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 12211179630 in words is "twelve billion, two hundred eleven million, one hundred seventy-nine thousand, six hundred thirty".