1302323621052 has 48 divisors (see below), whose sum is σ = 3081783801600. Its totient is φ = 427961829120.

The previous prime is 1302323621023. The next prime is 1302323621057. The reversal of 1302323621052 is 2501263232031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302323621057) 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, 13215699 + ... + 13313877.

It is an arithmetic number, because the mean of its divisors is an integer number (64203829200).

Almost surely, 2^{1302323621052} is an apocalyptic number.

1302323621052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1302323621052 is an abundant number, since it is smaller than the sum of its proper divisors (1779460180548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302323621052 is a wasteful number, since it uses less digits than its factorization.

1302323621052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113826 (or 113824 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1302323621052 its reverse (2501263232031), we get a palindrome (3803586853083).

The spelling of 1302323621052 in words is "one trillion, three hundred two billion, three hundred twenty-three million, six hundred twenty-one thousand, fifty-two".