1303213012 has 12 divisors (see below), whose sum is σ = 2280973716. Its totient is φ = 651506240.

The previous prime is 1303212971. The next prime is 1303213031. The reversal of 1303213012 is 2103123031.

It can be written as a sum of positive squares in 2 ways, for example, as 1150295056 + 152917956 = 33916^2 + 12366^2 .

It is a super-2 number, since 2×1303213012² = 3396728309292224288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9462 + ... + 51922.

It is an arithmetic number, because the mean of its divisors is an integer number (190081143).

Almost surely, 2^1303213012 is an apocalyptic number.

It is an amenable number.

1303213012 is a deficient number, since it is larger than the sum of its proper divisors (977760704).

1303213012 is a wasteful number, since it uses less digits than its factorization.

1303213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50138 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1303213012 is about 36100.0417174274. The cubic root of 1303213012 is about 1092.2912865053.

Adding to 1303213012 its reverse (2103123031), we get a palindrome (3406336043).

The spelling of 1303213012 in words is "one billion, three hundred three million, two hundred thirteen thousand, twelve".