12002023131021 has 64 divisors (see below), whose sum is σ = 22168879349760. Its totient is φ = 6234637106880.

The previous prime is 12002023131001. The next prime is 12002023131029. The reversal of 12002023131021 is 12013132020021.

12002023131021 is a `hidden beast` number, since 120 + 0 + 2 + 0 + 231 + 310 + 2 + 1 = 666.

12002023131021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12002023131021 - 2⁷ = 12002023130893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002023130985 and 12002023131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002023131029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101889060 + ... + 102006786.

It is an arithmetic number, because the mean of its divisors is an integer number (346388739840).

Almost surely, 2^{12002023131021} is an apocalyptic number.

12002023131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002023131021 is a deficient number, since it is larger than the sum of its proper divisors (10166856218739).

12002023131021 is a wasteful number, since it uses less digits than its factorization.

12002023131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166791 (or 166785 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12002023131021 its reverse (12013132020021), we get a palindrome (24015155151042).

The spelling of 12002023131021 in words is "twelve trillion, two billion, twenty-three million, one hundred thirty-one thousand, twenty-one".