511012440312 has 64 divisors (see below), whose sum is σ = 1407469080960. Its totient is φ = 153319056000.

The previous prime is 511012440269. The next prime is 511012440349. The reversal of 511012440312 is 213044210115.

It is a super-2 number, since 2×511012440312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9555778 + ... + 9609105.

It is an arithmetic number, because the mean of its divisors is an integer number (21991704390).

Almost surely, 2^511012440312 is an apocalyptic number.

It is an amenable number.

511012440312 is an abundant number, since it is smaller than the sum of its proper divisors (896456640648).

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

511012440312 is a wasteful number, since it uses less digits than its factorization.

511012440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165004 (or 19165000 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 511012440312 its reverse (213044210115), we get a palindrome (724056650427).

The spelling of 511012440312 in words is "five hundred eleven billion, twelve million, four hundred forty thousand, three hundred twelve".