1201120200 has 144 divisors (see below), whose sum is σ = 4610062080. Its totient is φ = 274538880.

The previous prime is 1201120181. The next prime is 1201120201. The reversal of 1201120200 is 20211021.

1201120200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (1201120201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35064 + ... + 60263.

It is an arithmetic number, because the mean of its divisors is an integer number (32014320).

Almost surely, 2^1201120200 is an apocalyptic number.

1201120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201120200 is an abundant number, since it is smaller than the sum of its proper divisors (3408941880).

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

1201120200 is a wasteful number, since it uses less digits than its factorization.

1201120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95356 (or 95344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1201120200 is about 34657.1810740574. The cubic root of 1201120200 is about 1062.9891302691.

Adding to 1201120200 its reverse (20211021), we get a palindrome (1221331221).

The spelling of 1201120200 in words is "one billion, two hundred one million, one hundred twenty thousand, two hundred".