12021000123113 has 8 divisors (see below), whose sum is σ = 12025803049920. Its totient is φ = 12016197473680.

The previous prime is 12021000123053. The next prime is 12021000123131. The reversal of 12021000123113 is 31132100012021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021000123113 is a prime.

It is a super-2 number, since 2×12021000123113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021000123091 and 12021000123100.

It is not an unprimeable number, because it can be changed into a prime (12021000123163) 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, 147082406 + ... + 147164112.

It is an arithmetic number, because the mean of its divisors is an integer number (1503225381240).

Almost surely, 2^{12021000123113} is an apocalyptic number.

It is an amenable number.

12021000123113 is a deficient number, since it is larger than the sum of its proper divisors (4802926807).

12021000123113 is an equidigital number, since it uses as much as digits as its factorization.

12021000123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138687.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12021000123113 its reverse (31132100012021), we get a palindrome (43153100135134).

The spelling of 12021000123113 in words is "twelve trillion, twenty-one billion, one hundred twenty-three thousand, one hundred thirteen".