12012102102101 has 16 divisors (see below), whose sum is σ = 12611769237504. Its totient is φ = 11418890758704.

The previous prime is 12012102102023. The next prime is 12012102102163. The reversal of 12012102102101 is 10120120121021.

It is not a de Polignac number, because 12012102102101 - 2⁴² = 7614055590997 is a prime.

It is a super-2 number, since 2×12012102102101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012102102181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127895180 + ... + 127989066.

It is an arithmetic number, because the mean of its divisors is an integer number (788235577344).

Almost surely, 2^{12012102102101} is an apocalyptic number.

It is an amenable number.

12012102102101 is a deficient number, since it is larger than the sum of its proper divisors (599667135403).

12012102102101 is a wasteful number, since it uses less digits than its factorization.

12012102102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128200.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012102102101 its reverse (10120120121021), we get a palindrome (22132222223122).

The spelling of 12012102102101 in words is "twelve trillion, twelve billion, one hundred two million, one hundred two thousand, one hundred one".