12012021210102 has 16 divisors (see below), whose sum is σ = 24028041833472. Its totient is φ = 4003340501160.

The previous prime is 12012021210017. The next prime is 12012021210121. The reversal of 12012021210102 is 20101212021021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166603174 + ... + 166675257.

It is an arithmetic number, because the mean of its divisors is an integer number (1501752614592).

Almost surely, 2^{12012021210102} is an apocalyptic number.

12012021210102 is an abundant number, since it is smaller than the sum of its proper divisors (12016020623370).

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

12012021210102 is a wasteful number, since it uses less digits than its factorization.

12012021210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333284443.

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

Adding to 12012021210102 its reverse (20101212021021), we get a palindrome (32113233231123).

The spelling of 12012021210102 in words is "twelve trillion, twelve billion, twenty-one million, two hundred ten thousand, one hundred two".