12150131501 has 8 divisors (see below), whose sum is σ = 12704878080.
Its totient is φ = 11597591632.
The previous prime is 12150131453. The next prime is 12150131519. The reversal of 12150131501 is 10513105121.
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 12150131501 - 222 = 12145937197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12150131551) 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, 540410 + ... + 562443.
It is an arithmetic number, because the mean of its divisors is an integer number (1588109760).
Almost surely, 212150131501 is an apocalyptic number.
It is an amenable number.
12150131501 is a deficient number, since it is larger than the sum of its proper divisors (554746579).
12150131501 is a wasteful number, since it uses less digits than its factorization.
12150131501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1103355.
The product of its (nonzero) digits is 150, while the sum is 20.
Adding to 12150131501 its reverse (10513105121), we get a palindrome (22663236622).
The spelling of 12150131501 in words is "twelve billion, one hundred fifty million, one hundred thirty-one thousand, five hundred one".