12121003232 has 48 divisors (see below), whose sum is σ = 26082482832. Its totient is φ = 5510799360.

The previous prime is 12121003177. The next prime is 12121003249. The reversal of 12121003232 is 23230012121.

It is a self number, because there is not a number n which added to its sum of digits gives 12121003232.

It is a congruent number.

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, 189569 + ... + 245312.

It is an arithmetic number, because the mean of its divisors is an integer number (543385059).

Almost surely, 2^12121003232 is an apocalyptic number.

It is an amenable number.

12121003232 is an abundant number, since it is smaller than the sum of its proper divisors (13961479600).

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

12121003232 is a wasteful number, since it uses less digits than its factorization.

12121003232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434971 (or 434963 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12121003232 its reverse (23230012121), we get a palindrome (35351015353).

The spelling of 12121003232 in words is "twelve billion, one hundred twenty-one million, three thousand, two hundred thirty-two".