1111202320312 has 32 divisors (see below), whose sum is σ = 2506471401600. Its totient is φ = 451164851424.

The previous prime is 1111202320259. The next prime is 1111202320381. The reversal of 1111202320312 is 2130232021111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1111202320312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522180478 + ... + 522182605.

It is an arithmetic number, because the mean of its divisors is an integer number (78327231300).

Almost surely, 2^{1111202320312} is an apocalyptic number.

It is an amenable number.

1111202320312 is an abundant number, since it is smaller than the sum of its proper divisors (1395269081288).

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

1111202320312 is a wasteful number, since it uses less digits than its factorization.

1111202320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044363115 (or 1044363111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1111202320312 its reverse (2130232021111), we get a palindrome (3241434341423).

The spelling of 1111202320312 in words is "one trillion, one hundred eleven billion, two hundred two million, three hundred twenty thousand, three hundred twelve".