12522052142 has 8 divisors (see below), whose sum is σ = 18802790496. Its totient is φ = 6254455312.

The previous prime is 12522052097. The next prime is 12522052157. The reversal of 12522052142 is 24125022521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282998 + ... + 3286809.

It is an arithmetic number, because the mean of its divisors is an integer number (2350348812).

Almost surely, 2^12522052142 is an apocalyptic number.

12522052142 is a deficient number, since it is larger than the sum of its proper divisors (6280738354).

12522052142 is an equidigital number, since it uses as much as digits as its factorization.

12522052142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570762.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 12522052142 its reverse (24125022521), we get a palindrome (36647074663).

The spelling of 12522052142 in words is "twelve billion, five hundred twenty-two million, fifty-two thousand, one hundred forty-two".