511203102212 has 24 divisors (see below), whose sum is σ = 1007414913792. Its totient is φ = 224869399200.

The previous prime is 511203102211. The next prime is 511203102247. The reversal of 511203102212 is 212201302115.

It is a super-2 number, since 2×511203102212² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511203102211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187389803 + ... + 187392530.

It is an arithmetic number, because the mean of its divisors is an integer number (41975621408).

Almost surely, 2^511203102212 is an apocalyptic number.

It is an amenable number.

511203102212 is a deficient number, since it is larger than the sum of its proper divisors (496211811580).

511203102212 is a wasteful number, since it uses less digits than its factorization.

511203102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374782379 (or 374782377 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 511203102212 its reverse (212201302115), we get a palindrome (723404404327).

The spelling of 511203102212 in words is "five hundred eleven billion, two hundred three million, one hundred two thousand, two hundred twelve".