13103032212 has 18 divisors (see below), whose sum is σ = 33121553738. Its totient is φ = 4367677392.

The previous prime is 13103032199. The next prime is 13103032231. The reversal of 13103032212 is 21223030131.

13103032212 is a `hidden beast` number, since 1 + 310 + 30 + 322 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10875569796 + 2227462416 = 104286^2 + 47196^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×13103032212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181986523 + ... + 181986594.

Almost surely, 2^13103032212 is an apocalyptic number.

13103032212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13103032212 is an abundant number, since it is smaller than the sum of its proper divisors (20018521526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103032212 is a wasteful number, since it uses less digits than its factorization.

13103032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363973127 (or 363973122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13103032212 its reverse (21223030131), we get a palindrome (34326062343).

The spelling of 13103032212 in words is "thirteen billion, one hundred three million, thirty-two thousand, two hundred twelve".