121301001301320 has 96 divisors (see below), whose sum is σ = 395285166876600. Its totient is φ = 32260212642816.

The previous prime is 121301001301303. The next prime is 121301001301327. The reversal of 121301001301320 is 23103100103121.

121301001301320 is a `hidden beast` number, since 1 + 2 + 1 + 30 + 10 + 0 + 1 + 301 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 106229260470564 + 15071740830756 = 10306758^2 + 3882234^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121301001301293 and 121301001301302.

It is not an unprimeable number, because it can be changed into a prime (121301001301327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451537605 + ... + 451806164.

Almost surely, 2^{121301001301320} is an apocalyptic number.

121301001301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121301001301320 is an abundant number, since it is smaller than the sum of its proper divisors (273984165575280).

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

121301001301320 is a wasteful number, since it uses less digits than its factorization.

121301001301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903344159 (or 903344152 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121301001301320 its reverse (23103100103121), we get a palindrome (144404101404441).

The spelling of 121301001301320 in words is "one hundred twenty-one trillion, three hundred one billion, one million, three hundred one thousand, three hundred twenty".