1213444011114 has 64 divisors (see below), whose sum is σ = 2746489420800. Its totient is φ = 397010478384.

The previous prime is 1213444011103. The next prime is 1213444011119. The reversal of 1213444011114 is 4111104443121.

1213444011114 is a `hidden beast` number, since 1 + 213 + 4 + 440 + 1 + 1 + 1 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1213444011119) 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 31 ways as a sum of consecutive naturals, for example, 1767009 + ... + 2355675.

It is an arithmetic number, because the mean of its divisors is an integer number (42913897200).

Almost surely, 2^{1213444011114} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213444011114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373244710400).

1213444011114 is an abundant number, since it is smaller than the sum of its proper divisors (1533045409686).

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

1213444011114 is a wasteful number, since it uses less digits than its factorization.

1213444011114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589384 (or 589378 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 1213444011114 its reverse (4111104443121), we get a palindrome (5324548454235).

The spelling of 1213444011114 in words is "one trillion, two hundred thirteen billion, four hundred forty-four million, eleven thousand, one hundred fourteen".