12670181145 has 12 divisors (see below), whose sum is σ = 21961647396. Its totient is φ = 6757429920.

The previous prime is 12670181137. The next prime is 12670181201. The reversal of 12670181145 is 54118107621.

It can be written as a sum of positive squares in 2 ways, for example, as 9313601049 + 3356580096 = 96507^2 + 57936^2 .

It is not a de Polignac number, because 12670181145 - 2³ = 12670181137 is a prime.

It is a super-2 number, since 2×12670181145² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140779746 + ... + 140779835.

It is an arithmetic number, because the mean of its divisors is an integer number (1830137283).

Almost surely, 2^12670181145 is an apocalyptic number.

12670181145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12670181145 is a deficient number, since it is larger than the sum of its proper divisors (9291466251).

12670181145 is a wasteful number, since it uses less digits than its factorization.

12670181145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281559592 (or 281559589 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

Adding to 12670181145 its reverse (54118107621), we get a palindrome (66788288766).

The spelling of 12670181145 in words is "twelve billion, six hundred seventy million, one hundred eighty-one thousand, one hundred forty-five".