1303020212 has 24 divisors (see below), whose sum is σ = 2457810600. Its totient is φ = 600875136.

The previous prime is 1303020203. The next prime is 1303020217. The reversal of 1303020212 is 2120203031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 697171216 + 605848996 = 26404^2 + 24614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303020217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53714 + ... + 74102.

It is an arithmetic number, because the mean of its divisors is an integer number (102408775).

Almost surely, 2^1303020212 is an apocalyptic number.

It is an amenable number.

1303020212 is a deficient number, since it is larger than the sum of its proper divisors (1154790388).

1303020212 is a wasteful number, since it uses less digits than its factorization.

1303020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635 (or 21633 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1303020212 is about 36097.3712616307. The cubic root of 1303020212 is about 1092.2374185794.

Adding to 1303020212 its reverse (2120203031), we get a palindrome (3423223243).

The spelling of 1303020212 in words is "one billion, three hundred three million, twenty thousand, two hundred twelve".