1200100003323 has 32 divisors (see below), whose sum is σ = 1778939000832. Its totient is φ = 714647232000.

The previous prime is 1200100003313. The next prime is 1200100003339. The reversal of 1200100003323 is 3233000010021.

It is not a de Polignac number, because 1200100003323 - 2⁴ = 1200100003307 is a prime.

It is a super-2 number, since 2×1200100003323² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200100003313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21851848 + ... + 21906698.

It is an arithmetic number, because the mean of its divisors is an integer number (55591843776).

Almost surely, 2^{1200100003323} is an apocalyptic number.

1200100003323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200100003323 is a deficient number, since it is larger than the sum of its proper divisors (578838997509).

1200100003323 is a wasteful number, since it uses less digits than its factorization.

1200100003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72995.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1200100003323 its reverse (3233000010021), we get a palindrome (4433100013344).

The spelling of 1200100003323 in words is "one trillion, two hundred billion, one hundred million, three thousand, three hundred twenty-three".