12757512011 has 4 divisors (see below), whose sum is σ = 13507953912. Its totient is φ = 12007070112.

The previous prime is 12757512007. The next prime is 12757512013. The reversal of 12757512011 is 11021575721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11021575721 = 13 ⋅847813517.

It is a cyclic number.

It is not a de Polignac number, because 12757512011 - 2² = 12757512007 is a prime.

It is a super-2 number, since 2×12757512011² (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 (12757512013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375220925 + ... + 375220958.

It is an arithmetic number, because the mean of its divisors is an integer number (3376988478).

Almost surely, 2^12757512011 is an apocalyptic number.

12757512011 is a deficient number, since it is larger than the sum of its proper divisors (750441901).

12757512011 is an equidigital number, since it uses as much as digits as its factorization.

12757512011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750441900.

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 12757512011 in words is "twelve billion, seven hundred fifty-seven million, five hundred twelve thousand, eleven".