12011333011131 has 8 divisors (see below), whose sum is σ = 16015137136960. Its totient is φ = 8007542113032.

The previous prime is 12011333011091. The next prime is 12011333011133. The reversal of 12011333011131 is 13111033311021.

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

It is not a de Polignac number, because 12011333011131 - 2⁹ = 12011333010619 is a prime.

It is a super-2 number, since 2×12011333011131² (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 = 12011333011098 and 12011333011107.

It is not an unprimeable number, because it can be changed into a prime (12011333011133) 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, 947725 + ... + 4992078.

It is an arithmetic number, because the mean of its divisors is an integer number (2001892142120).

Almost surely, 2^{12011333011131} is an apocalyptic number.

12011333011131 is a deficient number, since it is larger than the sum of its proper divisors (4003804125829).

12011333011131 is an equidigital number, since it uses as much as digits as its factorization.

12011333011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613865.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 12011333011131 its reverse (13111033311021), we get a palindrome (25122366322152).

The spelling of 12011333011131 in words is "twelve trillion, eleven billion, three hundred thirty-three million, eleven thousand, one hundred thirty-one".