12021002212102 has 16 divisors (see below), whose sum is σ = 19419678406800. Its totient is φ = 5547830189472.

The previous prime is 12021002212057. The next prime is 12021002212151. The reversal of 12021002212102 is 20121220012021.

It is a happy number.

12021002212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12021002212102² (a number of 27 digits) contains 22 as substring.

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, 13075113 + ... + 13964260.

It is an arithmetic number, because the mean of its divisors is an integer number (1213729900425).

Almost surely, 2^{12021002212102} is an apocalyptic number.

12021002212102 is a deficient number, since it is larger than the sum of its proper divisors (7398676194698).

12021002212102 is a wasteful number, since it uses less digits than its factorization.

12021002212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27056487.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021002212102 its reverse (20121220012021), we get a palindrome (32142222224123).

The spelling of 12021002212102 in words is "twelve trillion, twenty-one billion, two million, two hundred twelve thousand, one hundred two".