1200312003044 has 48 divisors (see below), whose sum is σ = 2618947685760. Its totient is φ = 467638824960.

The previous prime is 1200312002881. The next prime is 1200312003049. The reversal of 1200312003044 is 4403002130021.

It is not an unprimeable number, because it can be changed into a prime (1200312003049) 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, 16166534 + ... + 16240610.

It is an arithmetic number, because the mean of its divisors is an integer number (54561410120).

Almost surely, 2^{1200312003044} is an apocalyptic number.

1200312003044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1200312003044 is an abundant number, since it is smaller than the sum of its proper divisors (1418635682716).

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

1200312003044 is a wasteful number, since it uses less digits than its factorization.

1200312003044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126708 (or 126706 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1200312003044 its reverse (4403002130021), we get a palindrome (5603314133065).

The spelling of 1200312003044 in words is "one trillion, two hundred billion, three hundred twelve million, three thousand, forty-four".