12071523044735 has 64 divisors (see below), whose sum is σ = 19097545678848. Its totient is φ = 7104741120000.

The previous prime is 12071523044639. The next prime is 12071523044741. The reversal of 12071523044735 is 53744032517021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12071523044735 is a prime.

It is a super-2 number, since 2×12071523044735² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11845286 + ... + 12823955.

It is an arithmetic number, because the mean of its divisors is an integer number (298399151232).

Almost surely, 2^{12071523044735} is an apocalyptic number.

12071523044735 is a deficient number, since it is larger than the sum of its proper divisors (7026022634113).

12071523044735 is a wasteful number, since it uses less digits than its factorization.

12071523044735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24669336.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 12071523044735 in words is "twelve trillion, seventy-one billion, five hundred twenty-three million, forty-four thousand, seven hundred thirty-five".