12075157457 has 16 divisors (see below), whose sum is σ = 13869885120. Its totient is φ = 10396900800.

The previous prime is 12075157441. The next prime is 12075157487. The reversal of 12075157457 is 75475157021.

It is not a de Polignac number, because 12075157457 - 2⁴ = 12075157441 is a prime.

It is a super-2 number, since 2×12075157457² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12075157487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402907 + ... + 1411487.

It is an arithmetic number, because the mean of its divisors is an integer number (866867820).

Almost surely, 2^12075157457 is an apocalyptic number.

It is an amenable number.

12075157457 is a deficient number, since it is larger than the sum of its proper divisors (1794727663).

12075157457 is a wasteful number, since it uses less digits than its factorization.

12075157457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15344.

The product of its (nonzero) digits is 343000, while the sum is 44.

The spelling of 12075157457 in words is "twelve billion, seventy-five million, one hundred fifty-seven thousand, four hundred fifty-seven".