13031212000000 has 252 divisors, whose sum is σ = 33065668160280. Its totient is φ = 5124044800000.

The previous prime is 13031211999919. The next prime is 13031212000019. The reversal of 13031212000000 is 21213031.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 235972392 + ... + 236027608.

It is an arithmetic number, because the mean of its divisors is an integer number (131212968890).

Almost surely, 2^{13031212000000} is an apocalyptic number.

13031212000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031212000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16532834080140).

13031212000000 is an abundant number, since it is smaller than the sum of its proper divisors (20034456160280).

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

13031212000000 is an frugal number, since it uses more digits than its factorization.

13031212000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55322 (or 55283 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13031212000000 its reverse (21213031), we get a palindrome (13031233213031).

The spelling of 13031212000000 in words is "thirteen trillion, thirty-one billion, two hundred twelve million", and thus it is an aban number.