12015133002445 has 16 divisors (see below), whose sum is σ = 14481563690160. Its totient is φ = 9569839578624.

The previous prime is 12015133002427. The next prime is 12015133002461. The reversal of 12015133002445 is 54420033151021.

It can be written as a sum of positive squares in 8 ways, for example, as 1311890762884 + 10703242239561 = 1145378^2 + 3271581^2 .

It is a cyclic number.

It is not a de Polignac number, because 12015133002445 - 2²¹ = 12015130905293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42192177 + ... + 42475993.

It is an arithmetic number, because the mean of its divisors is an integer number (905097730635).

Almost surely, 2^{12015133002445} is an apocalyptic number.

It is an amenable number.

12015133002445 is a deficient number, since it is larger than the sum of its proper divisors (2466430687715).

12015133002445 is a wasteful number, since it uses less digits than its factorization.

12015133002445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321024.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 12015133002445 its reverse (54420033151021), we get a palindrome (66435166153466).

The spelling of 12015133002445 in words is "twelve trillion, fifteen billion, one hundred thirty-three million, two thousand, four hundred forty-five".