1200111241044 has 48 divisors (see below), whose sum is σ = 2812573080576. Its totient is φ = 398280088800.

The previous prime is 1200111241033. The next prime is 1200111241103. The reversal of 1200111241044 is 4401421110021.

It is a super-3 number, since 3×1200111241044³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200111241044.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4511299 + ... + 4769909.

It is an arithmetic number, because the mean of its divisors is an integer number (58595272512).

Almost surely, 2^{1200111241044} is an apocalyptic number.

It is an amenable number.

1200111241044 is an abundant number, since it is smaller than the sum of its proper divisors (1612461839532).

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

1200111241044 is a wasteful number, since it uses less digits than its factorization.

1200111241044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260316 (or 260314 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1200111241044 its reverse (4401421110021), we get a palindrome (5601532351065).

The spelling of 1200111241044 in words is "one trillion, two hundred billion, one hundred eleven million, two hundred forty-one thousand, forty-four".