12545200633742 has 32 divisors (see below), whose sum is σ = 22035515007744. Its totient is φ = 5244208920000.

The previous prime is 12545200633703. The next prime is 12545200633747. The reversal of 12545200633742 is 24733600254521.

It is a junction number, because it is equal to n+sod(n) for n = 12545200633693 and 12545200633702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545200633747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135617 + ... + 5010867.

It is an arithmetic number, because the mean of its divisors is an integer number (688609843992).

Almost surely, 2^{12545200633742} is an apocalyptic number.

12545200633742 is a deficient number, since it is larger than the sum of its proper divisors (9490314374002).

12545200633742 is a wasteful number, since it uses less digits than its factorization.

12545200633742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879784.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 12545200633742 in words is "twelve trillion, five hundred forty-five billion, two hundred million, six hundred thirty-three thousand, seven hundred forty-two".