12810877342 has 4 divisors (see below), whose sum is σ = 19216316016. Its totient is φ = 6405438670.

The previous prime is 12810877333. The next prime is 12810877481. The reversal of 12810877342 is 24377801821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24377801821 = 23 ⋅1059904427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202719334 + ... + 3202719337.

It is an arithmetic number, because the mean of its divisors is an integer number (4804079004).

Almost surely, 2^12810877342 is an apocalyptic number.

12810877342 is a deficient number, since it is larger than the sum of its proper divisors (6405438674).

12810877342 is an equidigital number, since it uses as much as digits as its factorization.

12810877342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405438673.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 12810877342 in words is "twelve billion, eight hundred ten million, eight hundred seventy-seven thousand, three hundred forty-two".