1113211203312 has 80 divisors (see below), whose sum is σ = 3097305454208. Its totient is φ = 342493920000.

The previous prime is 1113211203287. The next prime is 1113211203317. The reversal of 1113211203312 is 2133021123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113211203317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6941343 + ... + 7099905.

Almost surely, 2^{1113211203312} is an apocalyptic number.

1113211203312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113211203312 is an abundant number, since it is smaller than the sum of its proper divisors (1984094250896).

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

1113211203312 is a wasteful number, since it uses less digits than its factorization.

1113211203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169838 (or 169832 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1113211203312 its reverse (2133021123111), we get a palindrome (3246232326423).

The spelling of 1113211203312 in words is "one trillion, one hundred thirteen billion, two hundred eleven million, two hundred three thousand, three hundred twelve".