12143523154052 has 24 divisors (see below), whose sum is σ = 21387481667160. Its totient is φ = 6032817573120.

The previous prime is 12143523153997. The next prime is 12143523154079. The reversal of 12143523154052 is 25045132534121.

It can be written as a sum of positive squares in 4 ways, for example, as 1967129671936 + 10176393482116 = 1402544^2 + 3190046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12143523153997 and 12143523154015.

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, 13972574 + ... + 14816202.

It is an arithmetic number, because the mean of its divisors is an integer number (891145069465).

Almost surely, 2^{12143523154052} is an apocalyptic number.

It is an amenable number.

12143523154052 is a deficient number, since it is larger than the sum of its proper divisors (9243958513108).

12143523154052 is a wasteful number, since it uses less digits than its factorization.

12143523154052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866711 (or 866709 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 12143523154052 its reverse (25045132534121), we get a palindrome (37188655688173).

The spelling of 12143523154052 in words is "twelve trillion, one hundred forty-three billion, five hundred twenty-three million, one hundred fifty-four thousand, fifty-two".