1020215212 has 6 divisors (see below), whose sum is σ = 1785376628. Its totient is φ = 510107604.

The previous prime is 1020215201. The next prime is 1020215221. The reversal of 1020215212 is 2125120201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127526898 + ... + 127526905.

Almost surely, 2^1020215212 is an apocalyptic number.

It is an amenable number.

1020215212 is a deficient number, since it is larger than the sum of its proper divisors (765161416).

1020215212 is a wasteful number, since it uses less digits than its factorization.

1020215212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255053807 (or 255053805 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1020215212 is about 31940.8079421921. The cubic root of 1020215212 is about 1006.6935010804.

Adding to 1020215212 its reverse (2125120201), we get a palindrome (3145335413).

The spelling of 1020215212 in words is "one billion, twenty million, two hundred fifteen thousand, two hundred twelve".