1210010001120 has 288 divisors, whose sum is σ = 4159390435200. Its totient is φ = 320311729152.

The previous prime is 1210010001077. The next prime is 1210010001131. The reversal of 1210010001120 is 211000100121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239177151 + ... + 239182209.

It is an arithmetic number, because the mean of its divisors is an integer number (14442327900).

Almost surely, 2^{1210010001120} is an apocalyptic number.

1210010001120 is a gapful number since it is divisible by the number (10) 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 1210010001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2079695217600).

1210010001120 is an abundant number, since it is smaller than the sum of its proper divisors (2949380434080).

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

1210010001120 is a wasteful number, since it uses less digits than its factorization.

1210010001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262 (or 6251 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1210010001120 its reverse (211000100121), we get a palindrome (1421010101241).

Subtracting from 1210010001120 its reverse (211000100121), we obtain a palindrome (999009900999).

The spelling of 1210010001120 in words is "one trillion, two hundred ten billion, ten million, one thousand, one hundred twenty".