12700575516542 has 4 divisors (see below), whose sum is σ = 19050863274816. Its totient is φ = 6350287758270.

The previous prime is 12700575516529. The next prime is 12700575516547. The reversal of 12700575516542 is 24561557500721.

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

It is a super-2 number, since 2×12700575516542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700575516547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175143879134 + ... + 3175143879137.

It is an arithmetic number, because the mean of its divisors is an integer number (4762715818704).

Almost surely, 2^{12700575516542} is an apocalyptic number.

12700575516542 is a deficient number, since it is larger than the sum of its proper divisors (6350287758274).

12700575516542 is an equidigital number, since it uses as much as digits as its factorization.

12700575516542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350287758273.

The product of its (nonzero) digits is 2940000, while the sum is 50.

The spelling of 12700575516542 in words is "twelve trillion, seven hundred billion, five hundred seventy-five million, five hundred sixteen thousand, five hundred forty-two".