12150040452 has 24 divisors (see below), whose sum is σ = 30927376032. Its totient is φ = 3681830400.

The previous prime is 12150040433. The next prime is 12150040517. The reversal of 12150040452 is 25404005121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46022749 + ... + 46023012.

It is an arithmetic number, because the mean of its divisors is an integer number (1288640668).

Almost surely, 2^12150040452 is an apocalyptic number.

12150040452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12150040452 is an abundant number, since it is smaller than the sum of its proper divisors (18777335580).

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

12150040452 is a wasteful number, since it uses less digits than its factorization.

12150040452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92045779 (or 92045777 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 12150040452 its reverse (25404005121), we get a palindrome (37554045573).

The spelling of 12150040452 in words is "twelve billion, one hundred fifty million, forty thousand, four hundred fifty-two".