13121201023212 has 24 divisors (see below), whose sum is σ = 30616955446896. Its totient is φ = 4373616570688.

The previous prime is 13121201023171. The next prime is 13121201023243. The reversal of 13121201023212 is 21232010212131.

13121201023212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14170503 + ... + 15068030.

It is an arithmetic number, because the mean of its divisors is an integer number (1275706476954).

Almost surely, 2^{13121201023212} is an apocalyptic number.

13121201023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13121201023212 is an abundant number, since it is smaller than the sum of its proper divisors (17495754423684).

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

13121201023212 is a wasteful number, since it uses less digits than its factorization.

13121201023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275937 (or 29275935 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13121201023212 its reverse (21232010212131), we get a palindrome (34353211235343).

It can be divided in two parts, 1312120 and 1023212, that added together give a palindrome (2335332).

The spelling of 13121201023212 in words is "thirteen trillion, one hundred twenty-one billion, two hundred one million, twenty-three thousand, two hundred twelve".