411221512 has 16 divisors (see below), whose sum is σ = 830351340. Its totient is φ = 189794496.

The previous prime is 411221507. The next prime is 411221521. The reversal of 411221512 is 215122114.

It can be written as a sum of positive squares in 2 ways, for example, as 406667556 + 4553956 = 20166^2 + 2134^2 .

It is a super-2 number, since 2×411221512² = 338206263863132288, 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 411221512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976923 + ... + 1977130.

Almost surely, 2^411221512 is an apocalyptic number.

It is an amenable number.

411221512 is an abundant number, since it is smaller than the sum of its proper divisors (419129828).

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

411221512 is a wasteful number, since it uses less digits than its factorization.

411221512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954072 (or 3954068 counting only the distinct ones).

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

The square root of 411221512 is about 20278.5973873934. The cubic root of 411221512 is about 743.6329219754.

Adding to 411221512 its reverse (215122114), we get a palindrome (626343626).

The spelling of 411221512 in words is "four hundred eleven million, two hundred twenty-one thousand, five hundred twelve".