12221010002012 has 36 divisors (see below), whose sum is σ = 24970969827720. Its totient is φ = 5218105150944.

The previous prime is 12221010001999. The next prime is 12221010002059. The reversal of 12221010002012 is 21020001012221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115843358 + ... + 115948805.

It is an arithmetic number, because the mean of its divisors is an integer number (693638050770).

Almost surely, 2^{12221010002012} is an apocalyptic number.

It is an amenable number.

12221010002012 is an abundant number, since it is smaller than the sum of its proper divisors (12749959825708).

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

12221010002012 is a wasteful number, since it uses less digits than its factorization.

12221010002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231792450 (or 231792441 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221010002012 its reverse (21020001012221), we get a palindrome (33241011014233).

The spelling of 12221010002012 in words is "twelve trillion, two hundred twenty-one billion, ten million, two thousand, twelve".