1210000201120 has 24 divisors (see below), whose sum is σ = 2858625475524. Its totient is φ = 484000080384.

The previous prime is 1210000201099. The next prime is 1210000201127. The reversal of 1210000201120 is 211020000121.

It can be written as a sum of positive squares in 2 ways, for example, as 1209463259536 + 536941584 = 1099756^2 + 23172^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1210000201097 and 1210000201106.

It is not an unprimeable number, because it can be changed into a prime (1210000201127) 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 3 ways as a sum of consecutive naturals, for example, 3781250469 + ... + 3781250788.

Almost surely, 2^{1210000201120} is an apocalyptic number.

1210000201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210000201120 is an abundant number, since it is smaller than the sum of its proper divisors (1648625274404).

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

1210000201120 is an equidigital number, since it uses as much as digits as its factorization.

1210000201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562501272 (or 7562501264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210000201120 its reverse (211020000121), we get a palindrome (1421020201241).

The spelling of 1210000201120 in words is "one trillion, two hundred ten billion, two hundred one thousand, one hundred twenty".