12015425012150 has 144 divisors (see below), whose sum is σ = 26273436798672. Its totient is φ = 4075868160000.

The previous prime is 12015425012141. The next prime is 12015425012231. The reversal of 12015425012150 is 5121052451021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1140952385 + ... + 1140962915.

It is an arithmetic number, because the mean of its divisors is an integer number (182454422213).

Almost surely, 2^{12015425012150} is an apocalyptic number.

12015425012150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12015425012150 is an abundant number, since it is smaller than the sum of its proper divisors (14258011786522).

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

12015425012150 is a wasteful number, since it uses less digits than its factorization.

12015425012150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15455 (or 15443 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 12015425012150 its reverse (5121052451021), we get a palindrome (17136477463171).

The spelling of 12015425012150 in words is "twelve trillion, fifteen billion, four hundred twenty-five million, twelve thousand, one hundred fifty".