1213310203201 has 8 divisors (see below), whose sum is σ = 1255235193000. Its totient is φ = 1171390993920.

The previous prime is 1213310203199. The next prime is 1213310203207. The reversal of 1213310203201 is 1023020133121.

It can be written as a sum of positive squares in 4 ways, for example, as 275046753601 + 938263449600 = 524449^2 + 968640^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1213310203201 - 2¹ = 1213310203199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213310203207) 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, 1015920 + ... + 1859761.

It is an arithmetic number, because the mean of its divisors is an integer number (156904399125).

Almost surely, 2^{1213310203201} is an apocalyptic number.

It is an amenable number.

1213310203201 is a deficient number, since it is larger than the sum of its proper divisors (41924989799).

1213310203201 is a wasteful number, since it uses less digits than its factorization.

1213310203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890259.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213310203201 its reverse (1023020133121), we get a palindrome (2236330336322).

The spelling of 1213310203201 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred three thousand, two hundred one".