511022335012 has 48 divisors (see below), whose sum is σ = 1091393694720. Its totient is φ = 204636297600.

The previous prime is 511022335009. The next prime is 511022335051. The reversal of 511022335012 is 210533220115.

It is a super-2 number, since 2×511022335012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10125439 + ... + 10175782.

It is an arithmetic number, because the mean of its divisors is an integer number (22737368640).

Almost surely, 2^511022335012 is an apocalyptic number.

It is an amenable number.

511022335012 is an abundant number, since it is smaller than the sum of its proper divisors (580371359708).

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

511022335012 is a wasteful number, since it uses less digits than its factorization.

511022335012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20301292 (or 20301290 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 511022335012 its reverse (210533220115), we get a palindrome (721555555127).

The spelling of 511022335012 in words is "five hundred eleven billion, twenty-two million, three hundred thirty-five thousand, twelve".