1200213123101 has 16 divisors (see below), whose sum is σ = 1232171424000. Its totient is φ = 1168675630848.

The previous prime is 1200213123071. The next prime is 1200213123119. The reversal of 1200213123101 is 1013213120021.

It is a cyclic number.

It is not a de Polignac number, because 1200213123101 - 2¹⁰ = 1200213122077 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 1200213123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200213120101) 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 15 ways as a sum of consecutive naturals, for example, 21874700 + ... + 21929498.

It is an arithmetic number, because the mean of its divisors is an integer number (77010714000).

Almost surely, 2^{1200213123101} is an apocalyptic number.

It is an amenable number.

1200213123101 is a deficient number, since it is larger than the sum of its proper divisors (31958300899).

1200213123101 is an equidigital number, since it uses as much as digits as its factorization.

1200213123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58628.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1200213123101 its reverse (1013213120021), we get a palindrome (2213426243122).

The spelling of 1200213123101 in words is "one trillion, two hundred billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred one".