12777672492042 has 32 divisors (see below), whose sum is σ = 25797686386560. Its totient is φ = 4218857835840.

The previous prime is 12777672492041. The next prime is 12777672492047. The reversal of 12777672492042 is 24029427677721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12777672492041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847273 + ... + 5125740.

It is an arithmetic number, because the mean of its divisors is an integer number (806177699580).

Almost surely, 2^{12777672492042} is an apocalyptic number.

12777672492042 is an abundant number, since it is smaller than the sum of its proper divisors (13020013894518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12777672492042 is a wasteful number, since it uses less digits than its factorization.

12777672492042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976398.

The product of its (nonzero) digits is 33191424, while the sum is 60.

The spelling of 12777672492042 in words is "twelve trillion, seven hundred seventy-seven billion, six hundred seventy-two million, four hundred ninety-two thousand, forty-two".