12012120133031 has 4 divisors (see below), whose sum is σ = 12718715434992. Its totient is φ = 11305524831072.

The previous prime is 12012120132983. The next prime is 12012120133061. The reversal of 12012120133031 is 13033102121021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12012120133031 - 2³⁰ = 12011046391207 is a prime.

It is a super-3 number, since 3×12012120133031³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012120132994 and 12012120133012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012120133061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353297650955 + ... + 353297650988.

It is an arithmetic number, because the mean of its divisors is an integer number (3179678858748).

Almost surely, 2^{12012120133031} is an apocalyptic number.

12012120133031 is a deficient number, since it is larger than the sum of its proper divisors (706595301961).

12012120133031 is an equidigital number, since it uses as much as digits as its factorization.

12012120133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706595301960.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12012120133031 its reverse (13033102121021), we get a palindrome (25045222254052).

The spelling of 12012120133031 in words is "twelve trillion, twelve billion, one hundred twenty million, one hundred thirty-three thousand, thirty-one".