12211000120 has 64 divisors (see below), whose sum is σ = 29984450400. Its totient is φ = 4438586880.

The previous prime is 12211000117. The next prime is 12211000133. The reversal of 12211000120 is 2100011221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12211000097 and 12211000106.

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, 1667026 + ... + 1674334.

Almost surely, 2^12211000120 is an apocalyptic number.

12211000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211000120 is an abundant number, since it is smaller than the sum of its proper divisors (17773450280).

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

12211000120 is a wasteful number, since it uses less digits than its factorization.

12211000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11128 (or 11124 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12211000120 its reverse (2100011221), we get a palindrome (14311011341).

The spelling of 12211000120 in words is "twelve billion, two hundred eleven million, one hundred twenty", and thus it is an aban number.