12011201201131 has 16 divisors (see below), whose sum is σ = 13232147402880. Its totient is φ = 10811859367680.

The previous prime is 12011201201123. The next prime is 12011201201147. The reversal of 12011201201131 is 13110210211021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011201201131 - 2³ = 12011201201123 is a prime.

It is a super-2 number, since 2×12011201201131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011201201171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155721 + ... + 4903738.

It is an arithmetic number, because the mean of its divisors is an integer number (827009212680).

Almost surely, 2^{12011201201131} is an apocalyptic number.

12011201201131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12011201201131 is a deficient number, since it is larger than the sum of its proper divisors (1220946201749).

12011201201131 is a wasteful number, since it uses less digits than its factorization.

12011201201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061594.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12011201201131 its reverse (13110210211021), we get a palindrome (25121411412152).

The spelling of 12011201201131 in words is "twelve trillion, eleven billion, two hundred one million, two hundred one thousand, one hundred thirty-one".