1301200202121 has 8 divisors (see below), whose sum is σ = 1738958972544. Its totient is φ = 865454116560.

The previous prime is 1301200202111. The next prime is 1301200202143. The reversal of 1301200202121 is 1212020021031.

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

It is not a de Polignac number, because 1301200202121 - 2⁷ = 1301200201993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301200202121.

It is not an unprimeable number, because it can be changed into a prime (1301200202111) 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, 503169706 + ... + 503172291.

It is an arithmetic number, because the mean of its divisors is an integer number (217369871568).

Almost surely, 2^{1301200202121} is an apocalyptic number.

It is an amenable number.

1301200202121 is a deficient number, since it is larger than the sum of its proper divisors (437758770423).

1301200202121 is a wasteful number, since it uses less digits than its factorization.

1301200202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006342431.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1301200202121 its reverse (1212020021031), we get a palindrome (2513220223152).

The spelling of 1301200202121 in words is "one trillion, three hundred one billion, two hundred million, two hundred two thousand, one hundred twenty-one".