12011326245 has 16 divisors (see below), whose sum is σ = 21353469120. Its totient is φ = 6406040592.

The previous prime is 12011326213. The next prime is 12011326277. The reversal of 12011326245 is 54262311021.

12011326245 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 1 + 32 + 624 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (12011326213) and next prime (12011326277).

It is not a de Polignac number, because 12011326245 - 2⁵ = 12011326213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44486259 + ... + 44486528.

It is an arithmetic number, because the mean of its divisors is an integer number (1334591820).

Almost surely, 2^12011326245 is an apocalyptic number.

12011326245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12011326245 is a deficient number, since it is larger than the sum of its proper divisors (9342142875).

12011326245 is an equidigital number, since it uses as much as digits as its factorization.

12011326245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88972801 (or 88972795 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12011326245 its reverse (54262311021), we get a palindrome (66273637266).

The spelling of 12011326245 in words is "twelve billion, eleven million, three hundred twenty-six thousand, two hundred forty-five".