1321121313302 has 16 divisors (see below), whose sum is σ = 2282612305920. Its totient is φ = 561736620648.

The previous prime is 1321121313299. The next prime is 1321121313341. The reversal of 1321121313302 is 2033131211231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371517152 + ... + 371520707.

It is an arithmetic number, because the mean of its divisors is an integer number (142663269120).

Almost surely, 2^{1321121313302} is an apocalyptic number.

1321121313302 is a deficient number, since it is larger than the sum of its proper divisors (961490992618).

1321121313302 is a wasteful number, since it uses less digits than its factorization.

1321121313302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743037995.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1321121313302 its reverse (2033131211231), we get a palindrome (3354252524533).

The spelling of 1321121313302 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred two".