12001022012101 has 16 divisors (see below), whose sum is σ = 13022308828800. Its totient is φ = 11020985229888.

The previous prime is 12001022012069. The next prime is 12001022012107. The reversal of 12001022012101 is 10121022010021.

It is a cyclic number.

It is not a de Polignac number, because 12001022012101 - 2⁵ = 12001022012069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001022012107) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31541665 + ... + 31919878.

It is an arithmetic number, because the mean of its divisors is an integer number (813894301800).

Almost surely, 2^{12001022012101} is an apocalyptic number.

It is an amenable number.

12001022012101 is a deficient number, since it is larger than the sum of its proper divisors (1021286816699).

12001022012101 is a wasteful number, since it uses less digits than its factorization.

12001022012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63461868.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001022012101 its reverse (10121022010021), we get a palindrome (22122044022122).

The spelling of 12001022012101 in words is "twelve trillion, one billion, twenty-two million, twelve thousand, one hundred one".