12010002011021 has 32 divisors (see below), whose sum is σ = 14008084392960. Its totient is φ = 10083788035200.

The previous prime is 12010002010987. The next prime is 12010002011149. The reversal of 12010002011021 is 12011020001021.

It is a cyclic number.

It is not a de Polignac number, because 12010002011021 - 2¹⁰ = 12010002009997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010002010993 and 12010002011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010002011621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263950745 + ... + 263996241.

It is an arithmetic number, because the mean of its divisors is an integer number (437752637280).

Almost surely, 2^{12010002011021} is an apocalyptic number.

It is an amenable number.

12010002011021 is a deficient number, since it is larger than the sum of its proper divisors (1998082381939).

12010002011021 is a wasteful number, since it uses less digits than its factorization.

12010002011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47825.

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

Adding to 12010002011021 its reverse (12011020001021), we get a palindrome (24021022012042).

The spelling of 12010002011021 in words is "twelve trillion, ten billion, two million, eleven thousand, twenty-one".