1202312221013 has 16 divisors (see below), whose sum is σ = 1216289088000. Its totient is φ = 1188421127040.

The previous prime is 1202312221003. The next prime is 1202312221021. The reversal of 1202312221013 is 3101222132021.

It is a cyclic number.

It is not a de Polignac number, because 1202312221013 - 2¹⁰ = 1202312219989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202312221003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54936833 + ... + 54958713.

It is an arithmetic number, because the mean of its divisors is an integer number (76018068000).

Almost surely, 2^{1202312221013} is an apocalyptic number.

It is an amenable number.

1202312221013 is a deficient number, since it is larger than the sum of its proper divisors (13976866987).

1202312221013 is a wasteful number, since it uses less digits than its factorization.

1202312221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23812.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1202312221013 its reverse (3101222132021), we get a palindrome (4303534353034).

The spelling of 1202312221013 in words is "one trillion, two hundred two billion, three hundred twelve million, two hundred twenty-one thousand, thirteen".