12012002100031 has 8 divisors (see below), whose sum is σ = 12053893698704. Its totient is φ = 11970183421440.

The previous prime is 12012002100013. The next prime is 12012002100037. The reversal of 12012002100031 is 13000120021021.

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-12012002100031 is a prime.

It is a super-2 number, since 2×12012002100031² (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 = 12012002099984 and 12012002100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012002100037) 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, 17899980 + ... + 18558913.

It is an arithmetic number, because the mean of its divisors is an integer number (1506736712338).

Almost surely, 2^{12012002100031} is an apocalyptic number.

12012002100031 is a deficient number, since it is larger than the sum of its proper divisors (41891598673).

12012002100031 is an equidigital number, since it uses as much as digits as its factorization.

12012002100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36460041.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012002100031 its reverse (13000120021021), we get a palindrome (25012122121052).

The spelling of 12012002100031 in words is "twelve trillion, twelve billion, two million, one hundred thousand, thirty-one".