1301131322120 has 64 divisors (see below), whose sum is σ = 3346118899200. Its totient is φ = 446055148800.

The previous prime is 1301131322083. The next prime is 1301131322129. The reversal of 1301131322120 is 212231311031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1301131322092 and 1301131322101.

It is not an unprimeable number, because it can be changed into a prime (1301131322129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2470070 + ... + 2950170.

It is an arithmetic number, because the mean of its divisors is an integer number (52283107800).

Almost surely, 2^{1301131322120} is an apocalyptic number.

1301131322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301131322120 is an abundant number, since it is smaller than the sum of its proper divisors (2044987577080).

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

1301131322120 is a wasteful number, since it uses less digits than its factorization.

1301131322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489798 (or 489794 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1301131322120 its reverse (212231311031), we get a palindrome (1513362633151).

The spelling of 1301131322120 in words is "one trillion, three hundred one billion, one hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty".