12030021102 has 48 divisors (see below), whose sum is σ = 26465765760. Its totient is φ = 3642759120.

The previous prime is 12030021089. The next prime is 12030021127. The reversal of 12030021102 is 20112003021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114849 + ... + 1125587.

It is an arithmetic number, because the mean of its divisors is an integer number (551370120).

Almost surely, 2^12030021102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12030021102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13232882880).

12030021102 is an abundant number, since it is smaller than the sum of its proper divisors (14435744658).

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

12030021102 is a wasteful number, since it uses less digits than its factorization.

12030021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12309 (or 12298 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12030021102 its reverse (20112003021), we get a palindrome (32142024123).

The spelling of 12030021102 in words is "twelve billion, thirty million, twenty-one thousand, one hundred two".