12501403143643 has 4 divisors (see below), whose sum is σ = 12839278904320. Its totient is φ = 12163527382968.

The previous prime is 12501403143637. The next prime is 12501403143659. The reversal of 12501403143643 is 34634130410521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12501403143643 is a prime.

It is a super-2 number, since 2×12501403143643² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 337875760639 = 12501403143643 / (1 + 2 + 5 + 0 + 1 + 4 + 0 + 3 + 1 + 4 + 3 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12501403143623) 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, 168937880283 + ... + 168937880356.

It is an arithmetic number, because the mean of its divisors is an integer number (3209819726080).

Almost surely, 2^{12501403143643} is an apocalyptic number.

12501403143643 is a deficient number, since it is larger than the sum of its proper divisors (337875760677).

12501403143643 is an equidigital number, since it uses as much as digits as its factorization.

12501403143643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337875760676.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 12501403143643 in words is "twelve trillion, five hundred one billion, four hundred three million, one hundred forty-three thousand, six hundred forty-three".