511142212 has 24 divisors (see below), whose sum is σ = 1025527104. Its totient is φ = 218366112.

The previous prime is 511142207. The next prime is 511142221. The reversal of 511142212 is 212241115.

It is a super-2 number, since 2×511142212² = 522532721776505888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511142212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19918 + ... + 37669.

It is an arithmetic number, because the mean of its divisors is an integer number (42730296).

Almost surely, 2^511142212 is an apocalyptic number.

It is an amenable number.

511142212 is an abundant number, since it is smaller than the sum of its proper divisors (514384892).

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

511142212 is a wasteful number, since it uses less digits than its factorization.

511142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57915 (or 57913 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 511142212 is about 22608.4544363386. The cubic root of 511142212 is about 799.5529856859.

Adding to 511142212 its reverse (212241115), we get a palindrome (723383327).

The spelling of 511142212 in words is "five hundred eleven million, one hundred forty-two thousand, two hundred twelve".