12012113023131 has 16 divisors (see below), whose sum is σ = 17309109875456. Its totient is φ = 7365949158816.

The previous prime is 12012113023069. The next prime is 12012113023159. The reversal of 12012113023131 is 13132031121021.

It is not a de Polignac number, because 12012113023131 - 2¹³ = 12012113014939 is a prime.

It is a super-2 number, since 2×12012113023131² (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 = 12012113023098 and 12012113023107.

It is not an unprimeable number, because it can be changed into a prime (12012113023331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544163695 + ... + 544185768.

It is an arithmetic number, because the mean of its divisors is an integer number (1081819367216).

Almost surely, 2^{12012113023131} is an apocalyptic number.

12012113023131 is a deficient number, since it is larger than the sum of its proper divisors (5296996852325).

12012113023131 is a wasteful number, since it uses less digits than its factorization.

12012113023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088349762.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12012113023131 its reverse (13132031121021), we get a palindrome (25144144144152).

The spelling of 12012113023131 in words is "twelve trillion, twelve billion, one hundred thirteen million, twenty-three thousand, one hundred thirty-one".