12010002012101 has 4 divisors (see below), whose sum is σ = 12133816465932. Its totient is φ = 11886187558272.

The previous prime is 12010002012077. The next prime is 12010002012131. The reversal of 12010002012101 is 10121020001021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5594166309601 + 6415835702500 = 2365199^2 + 2532950^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010002012101 - 2⁶ = 12010002012037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010002012131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61907226770 + ... + 61907226963.

It is an arithmetic number, because the mean of its divisors is an integer number (3033454116483).

Almost surely, 2^{12010002012101} is an apocalyptic number.

It is an amenable number.

12010002012101 is a deficient number, since it is larger than the sum of its proper divisors (123814453831).

12010002012101 is an equidigital number, since it uses as much as digits as its factorization.

12010002012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123814453830.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010002012101 its reverse (10121020001021), we get a palindrome (22131022013122).

The spelling of 12010002012101 in words is "twelve trillion, ten billion, two million, twelve thousand, one hundred one".