12542637704770 has 8 divisors (see below), whose sum is σ = 22576747868604. Its totient is φ = 5017055081904.

The previous prime is 12542637704749. The next prime is 12542637704771. The reversal of 12542637704770 is 7740773624521.

It can be written as a sum of positive squares in 2 ways, for example, as 11345707618921 + 1196930085849 = 3368339^2 + 1094043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12542637704771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627131885229 + ... + 627131885248.

Almost surely, 2^{12542637704770} is an apocalyptic number.

12542637704770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12542637704770 is a deficient number, since it is larger than the sum of its proper divisors (10034110163834).

12542637704770 is a wasteful number, since it uses less digits than its factorization.

12542637704770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254263770484.

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 12542637704770 in words is "twelve trillion, five hundred forty-two billion, six hundred thirty-seven million, seven hundred four thousand, seven hundred seventy".