1200344442000 has 480 divisors, whose sum is σ = 4281203402112. Its totient is φ = 289111680000.

The previous prime is 1200344441999. The next prime is 1200344442191. The reversal of 1200344442000 is 2444430021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 113976735 + ... + 113987265.

Almost surely, 2^{1200344442000} is an apocalyptic number.

1200344442000 is a gapful number since it is divisible by the number (10) 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 1200344442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140601701056).

1200344442000 is an abundant number, since it is smaller than the sum of its proper divisors (3080858960112).

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

1200344442000 is a wasteful number, since it uses less digits than its factorization.

1200344442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10736 (or 10709 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1200344442000 its reverse (2444430021), we get a palindrome (1202788872021).

The spelling of 1200344442000 in words is "one trillion, two hundred billion, three hundred forty-four million, four hundred forty-two thousand".