12503510142 has 32 divisors (see below), whose sum is σ = 25904823840. Its totient is φ = 4020487680.

The previous prime is 12503510137. The next prime is 12503510161. The reversal of 12503510142 is 24101530521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263653 + ... + 307440.

It is an arithmetic number, because the mean of its divisors is an integer number (809525745).

Almost surely, 2^12503510142 is an apocalyptic number.

12503510142 is an abundant number, since it is smaller than the sum of its proper divisors (13401313698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12503510142 is a wasteful number, since it uses less digits than its factorization.

12503510142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571228.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12503510142 in words is "twelve billion, five hundred three million, five hundred ten thousand, one hundred forty-two".