1305102212 has 6 divisors (see below), whose sum is σ = 2283928878. Its totient is φ = 652551104.

The previous prime is 1305102187. The next prime is 1305102247. The reversal of 1305102212 is 2122015031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 767511616 + 537590596 = 27704^2 + 23186^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163137773 + ... + 163137780.

It is an arithmetic number, because the mean of its divisors is an integer number (380654813).

Almost surely, 2^1305102212 is an apocalyptic number.

It is an amenable number.

1305102212 is a deficient number, since it is larger than the sum of its proper divisors (978826666).

1305102212 is a wasteful number, since it uses less digits than its factorization.

1305102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326275557 (or 326275555 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1305102212 is about 36126.1984161079. The cubic root of 1305102212 is about 1092.8188442512.

Adding to 1305102212 its reverse (2122015031), we get a palindrome (3427117243).

The spelling of 1305102212 in words is "one billion, three hundred five million, one hundred two thousand, two hundred twelve".