8212144804 has 6 divisors (see below), whose sum is σ = 14371253414. Its totient is φ = 4106072400.

The previous prime is 8212144799. The next prime is 8212144901. The reversal of 8212144804 is 4084412128.

It can be written as a sum of positive squares in only one way, i.e., 6040398400 + 2171746404 = 77720^2 + 46602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8212144804.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026518097 + ... + 1026518104.

Almost surely, 2^8212144804 is an apocalyptic number.

It is an amenable number.

8212144804 is a deficient number, since it is larger than the sum of its proper divisors (6159108610).

8212144804 is a wasteful number, since it uses less digits than its factorization.

8212144804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053036205 (or 2053036203 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 8212144804 is about 90620.8850320940. The cubic root of 8212144804 is about 2017.5247271258.

The spelling of 8212144804 in words is "eight billion, two hundred twelve million, one hundred forty-four thousand, eight hundred four".