1123444412242 has 16 divisors (see below), whose sum is σ = 1784437724160. Its totient is φ = 528637158208.

The previous prime is 1123444412219. The next prime is 1123444412243. The reversal of 1123444412242 is 2422144443211.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1123444412198 and 1123444412207.

It is not an unprimeable number, because it can be changed into a prime (1123444412243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899638 + ... + 1748209.

It is an arithmetic number, because the mean of its divisors is an integer number (111527357760).

Almost surely, 2^{1123444412242} is an apocalyptic number.

1123444412242 is a deficient number, since it is larger than the sum of its proper divisors (660993311918).

1123444412242 is a wasteful number, since it uses less digits than its factorization.

1123444412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660345.

The product of its digits is 49152, while the sum is 34.

Adding to 1123444412242 its reverse (2422144443211), we get a palindrome (3545588855453).

The spelling of 1123444412242 in words is "one trillion, one hundred twenty-three billion, four hundred forty-four million, four hundred twelve thousand, two hundred forty-two".