1120312203012 has 168 divisors, whose sum is σ = 2968993931456. Its totient is φ = 369704896704.

The previous prime is 1120312202969. The next prime is 1120312203041. The reversal of 1120312203012 is 2103022130211.

1120312203012 is a `hidden beast` number, since 11 + 20 + 312 + 20 + 301 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 129556473 + ... + 129565119.

Almost surely, 2^{1120312203012} is an apocalyptic number.

1120312203012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120312203012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484496965728).

1120312203012 is an abundant number, since it is smaller than the sum of its proper divisors (1848681728444).

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

1120312203012 is a wasteful number, since it uses less digits than its factorization.

1120312203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109 (or 9092 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1120312203012 its reverse (2103022130211), we get a palindrome (3223334333223).

The spelling of 1120312203012 in words is "one trillion, one hundred twenty billion, three hundred twelve million, two hundred three thousand, twelve".