12148048451 has 16 divisors (see below), whose sum is σ = 15210643968. Its totient is φ = 9425371200.

The previous prime is 12148048403. The next prime is 12148048453. The reversal of 12148048451 is 15484084121.

It is a happy number.

It is not a de Polignac number, because 12148048451 - 2²² = 12143854147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12148048453) 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, 320615 + ... + 356496.

It is an arithmetic number, because the mean of its divisors is an integer number (950665248).

Almost surely, 2^12148048451 is an apocalyptic number.

12148048451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12148048451 is a deficient number, since it is larger than the sum of its proper divisors (3062595517).

12148048451 is a wasteful number, since it uses less digits than its factorization.

12148048451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677362.

The product of its (nonzero) digits is 40960, while the sum is 38.

The spelling of 12148048451 in words is "twelve billion, one hundred forty-eight million, forty-eight thousand, four hundred fifty-one".