12012010131 has 16 divisors (see below), whose sum is σ = 17616417408. Its totient is φ = 7280003720.

The previous prime is 12012010117. The next prime is 12012010133. The reversal of 12012010131 is 13101021021.

It is not a de Polignac number, because 12012010131 - 2⁵ = 12012010099 is a prime.

It is a super-2 number, since 2×12012010131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012010133) 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, 1500141 + ... + 1508126.

It is an arithmetic number, because the mean of its divisors is an integer number (1101026088).

Almost surely, 2^12012010131 is an apocalyptic number.

12012010131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012010131 is a deficient number, since it is larger than the sum of its proper divisors (5604407277).

12012010131 is an equidigital number, since it uses as much as digits as its factorization.

12012010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008303 (or 3008281 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12012010131 its reverse (13101021021), we get a palindrome (25113031152).

The spelling of 12012010131 in words is "twelve billion, twelve million, ten thousand, one hundred thirty-one".