12030203310 has 128 divisors (see below), whose sum is σ = 30478339584. Its totient is φ = 3035128320.

The previous prime is 12030203299. The next prime is 12030203351. The reversal of 12030203310 is 1330203021.

It is a super-2 number, since 2×12030203310² (a number of 21 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12030203310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14652700 + ... + 14653520.

It is an arithmetic number, because the mean of its divisors is an integer number (238112028).

Almost surely, 2^12030203310 is an apocalyptic number.

12030203310 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 12030203310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15239169792).

12030203310 is an abundant number, since it is smaller than the sum of its proper divisors (18448136274).

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

12030203310 is a wasteful number, since it uses less digits than its factorization.

12030203310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

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

Adding to 12030203310 its reverse (1330203021), we get a palindrome (13360406331).

The spelling of 12030203310 in words is "twelve billion, thirty million, two hundred three thousand, three hundred ten".