12015072520101 has 12 divisors (see below), whose sum is σ = 19834405430112. Its totient is φ = 6865755725736.

The previous prime is 12015072520079. The next prime is 12015072520103. The reversal of 12015072520101 is 10102527051021.

12015072520101 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 507 + 2 + 52 + 0 + 101 = 666.

It is not a de Polignac number, because 12015072520101 - 2⁶ = 12015072520037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12015072520103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95357718351 + ... + 95357718476.

It is an arithmetic number, because the mean of its divisors is an integer number (1652867119176).

Almost surely, 2^{12015072520101} is an apocalyptic number.

It is an amenable number.

12015072520101 is a deficient number, since it is larger than the sum of its proper divisors (7819332910011).

12015072520101 is a wasteful number, since it uses less digits than its factorization.

12015072520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190715436840 (or 190715436837 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 12015072520101 its reverse (10102527051021), we get a palindrome (22117599571122).

The spelling of 12015072520101 in words is "twelve trillion, fifteen billion, seventy-two million, five hundred twenty thousand, one hundred one".