12523747101 has 4 divisors (see below), whose sum is σ = 16698329472. Its totient is φ = 8349164732.

The previous prime is 12523747099. The next prime is 12523747109. The reversal of 12523747101 is 10174732521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12523747101 - 2¹ = 12523747099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523747109) 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, 2087291181 + ... + 2087291186.

It is an arithmetic number, because the mean of its divisors is an integer number (4174582368).

Almost surely, 2^12523747101 is an apocalyptic number.

It is an amenable number.

12523747101 is a deficient number, since it is larger than the sum of its proper divisors (4174582371).

12523747101 is an equidigital number, since it uses as much as digits as its factorization.

12523747101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174582370.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 12523747101 in words is "twelve billion, five hundred twenty-three million, seven hundred forty-seven thousand, one hundred one".