12542212151 has 8 divisors (see below), whose sum is σ = 15088375680. Its totient is φ = 10184653368.

The previous prime is 12542212121. The next prime is 12542212157. The reversal of 12542212151 is 15121224521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12542212151 - 2¹⁸ = 12541950007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12542212151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542212157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47151041 + ... + 47151306.

It is an arithmetic number, because the mean of its divisors is an integer number (1886046960).

Almost surely, 2^12542212151 is an apocalyptic number.

12542212151 is a deficient number, since it is larger than the sum of its proper divisors (2546163529).

12542212151 is an equidigital number, since it uses as much as digits as its factorization.

12542212151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94302373.

The product of its digits is 1600, while the sum is 26.

Adding to 12542212151 its reverse (15121224521), we get a palindrome (27663436672).

The spelling of 12542212151 in words is "twelve billion, five hundred forty-two million, two hundred twelve thousand, one hundred fifty-one".