1200123330101 has 8 divisors (see below), whose sum is σ = 1222792088760. Its totient is φ = 1177455494592.

The previous prime is 1200123330061. The next prime is 1200123330113. The reversal of 1200123330101 is 1010333210021.

It can be written as a sum of positive squares in 4 ways, for example, as 137885968900 + 1062237361201 = 371330^2 + 1030649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200123330101 - 2¹⁴ = 1200123313717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200123330101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200123330701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755235 + ... + 3160943.

It is an arithmetic number, because the mean of its divisors is an integer number (152849011095).

Almost surely, 2^{1200123330101} is an apocalyptic number.

It is an amenable number.

1200123330101 is a deficient number, since it is larger than the sum of its proper divisors (22668758659).

1200123330101 is an equidigital number, since it uses as much as digits as its factorization.

1200123330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461575.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1200123330101 its reverse (1010333210021), we get a palindrome (2210456540122).

The spelling of 1200123330101 in words is "one trillion, two hundred billion, one hundred twenty-three million, three hundred thirty thousand, one hundred one".