12153308233747 has 4 divisors (see below), whose sum is σ = 12154170980016. Its totient is φ = 12152445487480.

The previous prime is 12153308233739. The next prime is 12153308233813. The reversal of 12153308233747 is 74733280335121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12153308233747 - 2³ = 12153308233739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12153308233747.

It is not an unprimeable number, because it can be changed into a prime (12153308233447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431352004 + ... + 431380177.

It is an arithmetic number, because the mean of its divisors is an integer number (3038542745004).

Almost surely, 2^{12153308233747} is an apocalyptic number.

12153308233747 is a deficient number, since it is larger than the sum of its proper divisors (862746269).

12153308233747 is an equidigital number, since it uses as much as digits as its factorization.

12153308233747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862746268.

The product of its (nonzero) digits is 2540160, while the sum is 49.

Adding to 12153308233747 its reverse (74733280335121), we get a palindrome (86886588568868).

The spelling of 12153308233747 in words is "twelve trillion, one hundred fifty-three billion, three hundred eight million, two hundred thirty-three thousand, seven hundred forty-seven".