1002312133320 has 64 divisors (see below), whose sum is σ = 3009614397120. Its totient is φ = 267045191424.

The previous prime is 1002312133313. The next prime is 1002312133379. The reversal of 1002312133320 is 233312132001.

It is a super-2 number, since 2×1002312133320² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3584119 + ... + 3853638.

It is an arithmetic number, because the mean of its divisors is an integer number (47025224955).

Almost surely, 2^{1002312133320} is an apocalyptic number.

1002312133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002312133320 is an abundant number, since it is smaller than the sum of its proper divisors (2007302263800).

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

1002312133320 is a wasteful number, since it uses less digits than its factorization.

1002312133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438894 (or 7438890 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1002312133320 its reverse (233312132001), we get a palindrome (1235624265321).

The spelling of 1002312133320 in words is "one trillion, two billion, three hundred twelve million, one hundred thirty-three thousand, three hundred twenty".