13120203212 has 12 divisors (see below), whose sum is σ = 23393570256. Its totient is φ = 6436326000.

The previous prime is 13120203211. The next prime is 13120203223. The reversal of 13120203212 is 21230202131.

It is not an unprimeable number, because it can be changed into a prime (13120203211) 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, 30943664 + ... + 30944087.

It is an arithmetic number, because the mean of its divisors is an integer number (1949464188).

Almost surely, 2^13120203212 is an apocalyptic number.

It is an amenable number.

13120203212 is a deficient number, since it is larger than the sum of its proper divisors (10273367044).

13120203212 is a wasteful number, since it uses less digits than its factorization.

13120203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61887808 (or 61887806 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13120203212 its reverse (21230202131), we get a palindrome (34350405343).

The spelling of 13120203212 in words is "thirteen billion, one hundred twenty million, two hundred three thousand, two hundred twelve".