12201000120 has 96 divisors (see below), whose sum is σ = 40725004320. Its totient is φ = 3165661440.

The previous prime is 12201000107. The next prime is 12201000131. The reversal of 12201000120 is 2100010221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444676 + ... + 471315.

It is an arithmetic number, because the mean of its divisors is an integer number (424218795).

Almost surely, 2^12201000120 is an apocalyptic number.

12201000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201000120 is an abundant number, since it is smaller than the sum of its proper divisors (28524004200).

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

12201000120 is a wasteful number, since it uses less digits than its factorization.

12201000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916045 (or 916038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12201000120 its reverse (2100010221), we get a palindrome (14301010341).

The spelling of 12201000120 in words is "twelve billion, two hundred one million, one hundred twenty", and thus it is an aban number.