12002210121210 has 128 divisors (see below), whose sum is σ = 30211165900800. Its totient is φ = 3048493029120.

The previous prime is 12002210121191. The next prime is 12002210121211. The reversal of 12002210121210 is 1212101220021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12002210121210.

It is not an unprimeable number, because it can be changed into a prime (12002210121211) 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, 15268705 + ... + 16035515.

It is an arithmetic number, because the mean of its divisors is an integer number (236024733600).

Almost surely, 2^{12002210121210} is an apocalyptic number.

12002210121210 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 12002210121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15105582950400).

12002210121210 is an abundant number, since it is smaller than the sum of its proper divisors (18208955779590).

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

12002210121210 is a wasteful number, since it uses less digits than its factorization.

12002210121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767156.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12002210121210 its reverse (1212101220021), we get a palindrome (13214311341231).

The spelling of 12002210121210 in words is "twelve trillion, two billion, two hundred ten million, one hundred twenty-one thousand, two hundred ten".