12010100200121 has 8 divisors (see below), whose sum is σ = 12019493192904. Its totient is φ = 12000710444800.

The previous prime is 12010100200079. The next prime is 12010100200129. The reversal of 12010100200121 is 12100200101021.

It can be written as a sum of positive squares in 4 ways, for example, as 12224398096 + 11997875802025 = 110564^2 + 3463795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12010100200121 - 2⁴² = 7612053689017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010100200129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6639761 + ... + 8252673.

It is an arithmetic number, because the mean of its divisors is an integer number (1502436649113).

Almost surely, 2^{12010100200121} is an apocalyptic number.

It is an amenable number.

12010100200121 is a deficient number, since it is larger than the sum of its proper divisors (9392992783).

12010100200121 is a wasteful number, since it uses less digits than its factorization.

12010100200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618731.

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

Adding to 12010100200121 its reverse (12100200101021), we get a palindrome (24110300301142).

The spelling of 12010100200121 in words is "twelve trillion, ten billion, one hundred million, two hundred thousand, one hundred twenty-one".