12016135103250 has 128 divisors (see below), whose sum is σ = 30648876380928. Its totient is φ = 3134511744000.

The previous prime is 12016135103227. The next prime is 12016135103257. The reversal of 12016135103250 is 5230153161021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12016135103257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12947245 + ... + 13844255.

It is an arithmetic number, because the mean of its divisors is an integer number (239444346726).

Almost surely, 2^{12016135103250} is an apocalyptic number.

12016135103250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12016135103250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15324438190464).

12016135103250 is an abundant number, since it is smaller than the sum of its proper divisors (18632741277678).

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

12016135103250 is a wasteful number, since it uses less digits than its factorization.

12016135103250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897421 (or 897411 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 12016135103250 its reverse (5230153161021), we get a palindrome (17246288264271).

The spelling of 12016135103250 in words is "twelve trillion, sixteen billion, one hundred thirty-five million, one hundred three thousand, two hundred fifty".