12571148398 has 4 divisors (see below), whose sum is σ = 18856722600. Its totient is φ = 6285574198.

The previous prime is 12571148393. The next prime is 12571148411. The reversal of 12571148398 is 89384117521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571148393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3142787098 + ... + 3142787101.

It is an arithmetic number, because the mean of its divisors is an integer number (4714180650).

Almost surely, 2^12571148398 is an apocalyptic number.

12571148398 is a deficient number, since it is larger than the sum of its proper divisors (6285574202).

12571148398 is an equidigital number, since it uses as much as digits as its factorization.

12571148398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285574201.

The product of its digits is 483840, while the sum is 49.

The spelling of 12571148398 in words is "twelve billion, five hundred seventy-one million, one hundred forty-eight thousand, three hundred ninety-eight".