1200123211301 has 8 divisors (see below), whose sum is σ = 1371576660480. Its totient is φ = 1028671581168.

The previous prime is 1200123211201. The next prime is 1200123211303. The reversal of 1200123211301 is 1031123210021.

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

It is a de Polignac number, because none of the positive numbers 2^k-1200123211301 is a prime.

It is a super-2 number, since 2×1200123211301² (a number of 25 digits) contains 22 as substring.

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 1200123211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200123211303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545635 + ... + 2188431.

It is an arithmetic number, because the mean of its divisors is an integer number (171447082560).

Almost surely, 2^{1200123211301} is an apocalyptic number.

It is an amenable number.

1200123211301 is a deficient number, since it is larger than the sum of its proper divisors (171453449179).

1200123211301 is an equidigital number, since it uses as much as digits as its factorization.

1200123211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909523.

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

Adding to 1200123211301 its reverse (1031123210021), we get a palindrome (2231246421322).

The spelling of 1200123211301 in words is "one trillion, two hundred billion, one hundred twenty-three million, two hundred eleven thousand, three hundred one".