12154454524 has 12 divisors (see below), whose sum is σ = 21272503000. Its totient is φ = 6076596528.

The previous prime is 12154454483. The next prime is 12154454573. The reversal of 12154454524 is 42545445121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112914 + ... + 192505.

Almost surely, 2^12154454524 is an apocalyptic number.

It is an amenable number.

12154454524 is a deficient number, since it is larger than the sum of its proper divisors (9118048476).

12154454524 is a wasteful number, since it uses less digits than its factorization.

12154454524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315372 (or 315370 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

Adding to 12154454524 its reverse (42545445121), we get a palindrome (54699899645).

The spelling of 12154454524 in words is "twelve billion, one hundred fifty-four million, four hundred fifty-four thousand, five hundred twenty-four".