13212103302112 has 144 divisors (see below), whose sum is σ = 31380434249472. Its totient is φ = 5425591042560.

The previous prime is 13212103302067. The next prime is 13212103302113. The reversal of 13212103302112 is 21120330121231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212103302113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433203 + ... + 5158669.

It is an arithmetic number, because the mean of its divisors is an integer number (217919682288).

Almost surely, 2^{13212103302112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212103302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15690217124736).

13212103302112 is an abundant number, since it is smaller than the sum of its proper divisors (18168330947360).

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

13212103302112 is a wasteful number, since it uses less digits than its factorization.

13212103302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725561 (or 4725540 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13212103302112 its reverse (21120330121231), we get a palindrome (34332433423343).

The spelling of 13212103302112 in words is "thirteen trillion, two hundred twelve billion, one hundred three million, three hundred two thousand, one hundred twelve".