12012000102 has 48 divisors (see below), whose sum is σ = 27222773760. Its totient is φ = 3820717296.

The previous prime is 12012000101. The next prime is 12012000107. The reversal of 12012000102 is 20100021021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012000101) by changing a digit.

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, 138843 + ... + 208089.

It is an arithmetic number, because the mean of its divisors is an integer number (567141120).

Almost surely, 2^12012000102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012000102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13611386880).

12012000102 is an abundant number, since it is smaller than the sum of its proper divisors (15210773658).

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

12012000102 is a wasteful number, since it uses less digits than its factorization.

12012000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69697 (or 69694 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12012000102 its reverse (20100021021), we get a palindrome (32112021123).

The spelling of 12012000102 in words is "twelve billion, twelve million, one hundred two", and thus it is an aban number.