13012312210 has 32 divisors (see below), whose sum is σ = 24813002160. Its totient is φ = 4896172032.

The previous prime is 13012312207. The next prime is 13012312211. The reversal of 13012312210 is 1221321031.

It can be written as a sum of positive squares in 8 ways, for example, as 3406940161 + 9605372049 = 58369^2 + 98007^2 .

It is not an unprimeable number, because it can be changed into a prime (13012312211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320326 + ... + 358654.

Almost surely, 2^13012312210 is an apocalyptic number.

13012312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012312210 is a deficient number, since it is larger than the sum of its proper divisors (11800689950).

13012312210 is a wasteful number, since it uses less digits than its factorization.

13012312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40350.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13012312210 its reverse (1221321031), we get a palindrome (14233633241).

The spelling of 13012312210 in words is "thirteen billion, twelve million, three hundred twelve thousand, two hundred ten".