1301200220123 has 18 divisors (see below), whose sum is σ = 1396643594076. Its totient is φ = 1212031147008.

The previous prime is 1301200220101. The next prime is 1301200220143. The reversal of 1301200220123 is 3210220021031.

It is not a de Polignac number, because 1301200220123 - 2¹⁴ = 1301200203739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301200220143) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2479940 + ... + 2958462.

It is an arithmetic number, because the mean of its divisors is an integer number (77591310782).

Almost surely, 2^{1301200220123} is an apocalyptic number.

1301200220123 is a deficient number, since it is larger than the sum of its proper divisors (95443373953).

1301200220123 is an frugal number, since it uses more digits than its factorization.

1301200220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478751 (or 478637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1301200220123 its reverse (3210220021031), we get a palindrome (4511420241154).

The spelling of 1301200220123 in words is "one trillion, three hundred one billion, two hundred million, two hundred twenty thousand, one hundred twenty-three".