12148031953 has 4 divisors (see below), whose sum is σ = 12430544368. Its totient is φ = 11865519540.

The previous prime is 12148031941. The next prime is 12148031977. The reversal of 12148031953 is 35913084121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12148031953 - 2²⁵ = 12114477521 is a prime.

It is a super-2 number, since 2×12148031953² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12148031053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141256143 + ... + 141256228.

It is an arithmetic number, because the mean of its divisors is an integer number (3107636092).

Almost surely, 2^12148031953 is an apocalyptic number.

It is an amenable number.

12148031953 is a deficient number, since it is larger than the sum of its proper divisors (282512415).

12148031953 is an equidigital number, since it uses as much as digits as its factorization.

12148031953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282512414.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 12148031953 in words is "twelve billion, one hundred forty-eight million, thirty-one thousand, nine hundred fifty-three".