13031220030212 has 12 divisors (see below), whose sum is σ = 22860392109660. Its totient is φ = 6499679427456.

The previous prime is 13031220030139. The next prime is 13031220030217. The reversal of 13031220030212 is 21203002213031.

It can be written as a sum of positive squares in 2 ways, for example, as 8195944476736 + 4835275553476 = 2862856^2 + 2198926^2 .

It is not an unprimeable number, because it can be changed into a prime (13031220030217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982645073 + ... + 3982648344.

It is an arithmetic number, because the mean of its divisors is an integer number (1905032675805).

Almost surely, 2^{13031220030212} is an apocalyptic number.

It is an amenable number.

13031220030212 is a deficient number, since it is larger than the sum of its proper divisors (9829172079448).

13031220030212 is a wasteful number, since it uses less digits than its factorization.

13031220030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965293830 (or 7965293828 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13031220030212 its reverse (21203002213031), we get a palindrome (34234222243243).

The spelling of 13031220030212 in words is "thirteen trillion, thirty-one billion, two hundred twenty million, thirty thousand, two hundred twelve".