12103202121232 has 80 divisors (see below), whose sum is σ = 24928342483968. Its totient is φ = 5680872489600.

The previous prime is 12103202121229. The next prime is 12103202121293. The reversal of 12103202121232 is 23212120230121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3300043 + ... + 5924245.

Almost surely, 2^{12103202121232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103202121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12464171241984).

12103202121232 is an abundant number, since it is smaller than the sum of its proper divisors (12825140362736).

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

12103202121232 is a wasteful number, since it uses less digits than its factorization.

12103202121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624468 (or 2624462 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12103202121232 its reverse (23212120230121), we get a palindrome (35315322351353).

The spelling of 12103202121232 in words is "twelve trillion, one hundred three billion, two hundred two million, one hundred twenty-one thousand, two hundred thirty-two".