1200031213303 has 16 divisors (see below), whose sum is σ = 1333967719392. Its totient is φ = 1072453824000.

The previous prime is 1200031213291. The next prime is 1200031213349. The reversal of 1200031213303 is 3033121300021.

It is not a de Polignac number, because 1200031213303 - 2¹⁷ = 1200031082231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200031213373) 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, 8523558 + ... + 8663203.

It is an arithmetic number, because the mean of its divisors is an integer number (83372982462).

Almost surely, 2^{1200031213303} is an apocalyptic number.

1200031213303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200031213303 is a deficient number, since it is larger than the sum of its proper divisors (133936506089).

1200031213303 is a wasteful number, since it uses less digits than its factorization.

1200031213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186946.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1200031213303 its reverse (3033121300021), we get a palindrome (4233152513324).

The spelling of 1200031213303 in words is "one trillion, two hundred billion, thirty-one million, two hundred thirteen thousand, three hundred three".