12103033012 has 48 divisors (see below), whose sum is σ = 24796759680. Its totient is φ = 5060708352.

The previous prime is 12103032979. The next prime is 12103033013. The reversal of 12103033012 is 21033030121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103033013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171164 + ... + 1181452.

It is an arithmetic number, because the mean of its divisors is an integer number (516599160).

Almost surely, 2^12103033012 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 12103033012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12398379840).

12103033012 is an abundant number, since it is smaller than the sum of its proper divisors (12693726668).

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

12103033012 is a wasteful number, since it uses less digits than its factorization.

12103033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11318 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12103033012 its reverse (21033030121), we get a palindrome (33136063133).

The spelling of 12103033012 in words is "twelve billion, one hundred three million, thirty-three thousand, twelve".