12150040450 has 48 divisors (see below), whose sum is σ = 23198265216. Its totient is φ = 4731651200.

The previous prime is 12150040433. The next prime is 12150040517. The reversal of 12150040450 is 5404005121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025259 + ... + 1037041.

It is an arithmetic number, because the mean of its divisors is an integer number (483297192).

Almost surely, 2^12150040450 is an apocalyptic number.

12150040450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12150040450 is a deficient number, since it is larger than the sum of its proper divisors (11048224766).

12150040450 is a wasteful number, since it uses less digits than its factorization.

12150040450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12339 (or 12334 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 12150040450 its reverse (5404005121), we get a palindrome (17554045571).

The spelling of 12150040450 in words is "twelve billion, one hundred fifty million, forty thousand, four hundred fifty".