12012001102101 has 96 divisors (see below), whose sum is σ = 21869412009984. Its totient is φ = 5706167068800.

The previous prime is 12012001102097. The next prime is 12012001102141. The reversal of 12012001102101 is 10120110021021.

It is not a de Polignac number, because 12012001102101 - 2² = 12012001102097 is a prime.

It is a super-2 number, since 2×12012001102101² (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 (12012001102141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1835296 + ... + 5233766.

It is an arithmetic number, because the mean of its divisors is an integer number (227806375104).

Almost surely, 2^{12012001102101} is an apocalyptic number.

12012001102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012001102101 is a deficient number, since it is larger than the sum of its proper divisors (9857410907883).

12012001102101 is a wasteful number, since it uses less digits than its factorization.

12012001102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398623 (or 3398612 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12012001102101 its reverse (10120110021021), we get a palindrome (22132111123122).

The spelling of 12012001102101 in words is "twelve trillion, twelve billion, one million, one hundred two thousand, one hundred one".