1242211041344 has 112 divisors (see below), whose sum is σ = 3034654441728. Its totient is φ = 491295725568.

The previous prime is 1242211041341. The next prime is 1242211041349. The reversal of 1242211041344 is 4431401122421.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (1242211041341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24044789 + ... + 24096395.

It is an arithmetic number, because the mean of its divisors is an integer number (27095128944).

Almost surely, 2^{1242211041344} is an apocalyptic number.

1242211041344 is a gapful number since it is divisible by the number (14) 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 1242211041344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517327220864).

1242211041344 is an abundant number, since it is smaller than the sum of its proper divisors (1792443400384).

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

1242211041344 is a wasteful number, since it uses less digits than its factorization.

1242211041344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55772 (or 55762 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1242211041344 its reverse (4431401122421), we get a palindrome (5673612163765).

The spelling of 1242211041344 in words is "one trillion, two hundred forty-two billion, two hundred eleven million, forty-one thousand, three hundred forty-four".