12103033020 has 288 divisors, whose sum is σ = 38289807360. Its totient is φ = 2852029440.

The previous prime is 12103033013. The next prime is 12103033069. The reversal of 12103033020 is 2033030121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43693122 + ... + 43693398.

It is an arithmetic number, because the mean of its divisors is an integer number (132950720).

Almost surely, 2^12103033020 is an apocalyptic number.

12103033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103033020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19144903680).

12103033020 is an abundant number, since it is smaller than the sum of its proper divisors (26186774340).

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

12103033020 is a wasteful number, since it uses less digits than its factorization.

12103033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12103033020 its reverse (2033030121), we get a palindrome (14136063141).

The spelling of 12103033020 in words is "twelve billion, one hundred three million, thirty-three thousand, twenty".