1200112333203 has 16 divisors (see below), whose sum is σ = 1851891246080. Its totient is φ = 677097734976.

The previous prime is 1200112333181. The next prime is 1200112333207. The reversal of 1200112333203 is 3023332110021.

It is not a de Polignac number, because 1200112333203 - 2¹³ = 1200112325011 is a prime.

It is a super-2 number, since 2×1200112333203² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200112333203.

It is not an unprimeable number, because it can be changed into a prime (1200112333207) 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, 361695850 + ... + 361699167.

It is an arithmetic number, because the mean of its divisors is an integer number (115743202880).

Almost surely, 2^{1200112333203} is an apocalyptic number.

1200112333203 is a deficient number, since it is larger than the sum of its proper divisors (651778912877).

1200112333203 is an equidigital number, since it uses as much as digits as its factorization.

1200112333203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723395106.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1200112333203 its reverse (3023332110021), we get a palindrome (4223444443224).

The spelling of 1200112333203 in words is "one trillion, two hundred billion, one hundred twelve million, three hundred thirty-three thousand, two hundred three".