3111203213312 has 52 divisors (see below), whose sum is σ = 6296607144240. Its totient is φ = 1536859250688.

The previous prime is 3111203213309. The next prime is 3111203213329. The reversal of 3111203213312 is 2133123021113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235762 + ... + 4915697.

Almost surely, 2^{3111203213312} is an apocalyptic number.

3111203213312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3111203213312 is an abundant number, since it is smaller than the sum of its proper divisors (3185403930928).

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

3111203213312 is an frugal number, since it uses more digits than its factorization.

3111203213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151566 (or 9151544 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3111203213312 its reverse (2133123021113), we get a palindrome (5244326234425).

The spelling of 3111203213312 in words is "three trillion, one hundred eleven billion, two hundred three million, two hundred thirteen thousand, three hundred twelve".