1075812012 has 72 divisors (see below), whose sum is σ = 3035672640. Its totient is φ = 318417120.

The previous prime is 1075812011. The next prime is 1075812029. The reversal of 1075812012 is 2102185701.

It is not an unprimeable number, because it can be changed into a prime (1075812011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14562 + ... + 48617.

It is an arithmetic number, because the mean of its divisors is an integer number (42162120).

Almost surely, 2^1075812012 is an apocalyptic number.

1075812012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1075812012 is an abundant number, since it is smaller than the sum of its proper divisors (1959860628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1075812012 is a wasteful number, since it uses less digits than its factorization.

1075812012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63243 (or 63238 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1075812012 is about 32799.5733508837. The cubic root of 1075812012 is about 1024.6576725558.

Adding to 1075812012 its reverse (2102185701), we get a palindrome (3177997713).

The spelling of 1075812012 in words is "one billion, seventy-five million, eight hundred twelve thousand, twelve".