1201120322112 has 196 divisors, whose sum is σ = 3575593681920. Its totient is φ = 400147299072.

The previous prime is 1201120322107. The next prime is 1201120322113. The reversal of 1201120322112 is 2112230211021.

1201120322112 is a `hidden beast` number, since 120 + 112 + 0 + 322 + 112 = 666.

It is a super-2 number, since 2×1201120322112² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1201120322113) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 96245089 + ... + 96257567.

Almost surely, 2^{1201120322112} is an apocalyptic number.

1201120322112 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 1201120322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787796840960).

1201120322112 is an abundant number, since it is smaller than the sum of its proper divisors (2374473359808).

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

1201120322112 is an equidigital number, since it uses as much as digits as its factorization.

1201120322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572 (or 14547 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1201120322112 its reverse (2112230211021), we get a palindrome (3313350533133).

The spelling of 1201120322112 in words is "one trillion, two hundred one billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twelve".