13212212242242 has 96 divisors (see below), whose sum is σ = 30269248015104. Its totient is φ = 3821128243200.

The previous prime is 13212212242211. The next prime is 13212212242249. The reversal of 13212212242242 is 24224221221231.

It is a super-3 number, since 3×13212212242242³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13212212242249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16769367 + ... + 17539557.

It is an arithmetic number, because the mean of its divisors is an integer number (315304666824).

Almost surely, 2^{13212212242242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212212242242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15134624007552).

13212212242242 is an abundant number, since it is smaller than the sum of its proper divisors (17057035772862).

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

13212212242242 is a wasteful number, since it uses less digits than its factorization.

13212212242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771004 (or 770987 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 13212212242242 its reverse (24224221221231), we get a palindrome (37436433463473).

The spelling of 13212212242242 in words is "thirteen trillion, two hundred twelve billion, two hundred twelve million, two hundred forty-two thousand, two hundred forty-two".