1201201300321 has 4 divisors (see below), whose sum is σ = 1310401418544. Its totient is φ = 1092001182100.

The previous prime is 1201201300319. The next prime is 1201201300337. The reversal of 1201201300321 is 1230031021021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201201300321 - 2¹ = 1201201300319 is a prime.

It is a super-2 number, since 2×1201201300321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201201300295 and 1201201300304.

It is not an unprimeable number, because it can be changed into a prime (1201201300721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54600059095 + ... + 54600059116.

It is an arithmetic number, because the mean of its divisors is an integer number (327600354636).

Almost surely, 2^{1201201300321} is an apocalyptic number.

1201201300321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201201300321 is a deficient number, since it is larger than the sum of its proper divisors (109200118223).

1201201300321 is a wasteful number, since it uses less digits than its factorization.

1201201300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109200118222.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201201300321 its reverse (1230031021021), we get a palindrome (2431232321342).

The spelling of 1201201300321 in words is "one trillion, two hundred one billion, two hundred one million, three hundred thousand, three hundred twenty-one".