512040245112 has 48 divisors (see below), whose sum is σ = 1512846181080. Its totient is φ = 155163710400.

The previous prime is 512040245099. The next prime is 512040245117. The reversal of 512040245112 is 211542040215.

It is a happy number.

512040245112 is a `hidden beast` number, since 5 + 1 + 204 + 0 + 2 + 451 + 1 + 2 = 666.

It is a super-2 number, since 2×512040245112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512040245117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323256939 + ... + 323258522.

Almost surely, 2^512040245112 is an apocalyptic number.

It is an amenable number.

512040245112 is an abundant number, since it is smaller than the sum of its proper divisors (1000805935968).

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

512040245112 is a wasteful number, since it uses less digits than its factorization.

512040245112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646515484 (or 646515477 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 512040245112 its reverse (211542040215), we get a palindrome (723582285327).

The spelling of 512040245112 in words is "five hundred twelve billion, forty million, two hundred forty-five thousand, one hundred twelve".