12102002010 has 96 divisors (see below), whose sum is σ = 36201859200. Its totient is φ = 2747585664.

The previous prime is 12102002009. The next prime is 12102002047. The reversal of 12102002010 is 1020020121.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12102001983 and 12102002001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29409 + ... + 158331.

It is an arithmetic number, because the mean of its divisors is an integer number (377102700).

Almost surely, 2^12102002010 is an apocalyptic number.

12102002010 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 12102002010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18100929600).

12102002010 is an abundant number, since it is smaller than the sum of its proper divisors (24099857190).

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

12102002010 is a wasteful number, since it uses less digits than its factorization.

12102002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129092 (or 129089 counting only the distinct ones).

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

Adding to 12102002010 its reverse (1020020121), we get a palindrome (13122022131).

The spelling of 12102002010 in words is "twelve billion, one hundred two million, two thousand, ten".