121132201320 has 96 divisors (see below), whose sum is σ = 423962721000. Its totient is φ = 29817156096.

The previous prime is 121132201297. The next prime is 121132201331. The reversal of 121132201320 is 23102231121.

121132201320 is a `hidden beast` number, since 1 + 21 + 1 + 322 + 0 + 1 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 66883269924 + 54248931396 = 258618^2 + 232914^2 .

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 = 121132201293 and 121132201302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12936795 + ... + 12946154.

Almost surely, 2^121132201320 is an apocalyptic number.

121132201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121132201320 is an abundant number, since it is smaller than the sum of its proper divisors (302830519680).

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

121132201320 is a wasteful number, since it uses less digits than its factorization.

121132201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25882979 (or 25882972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121132201320 its reverse (23102231121), we get a palindrome (144234432441).

The spelling of 121132201320 in words is "one hundred twenty-one billion, one hundred thirty-two million, two hundred one thousand, three hundred twenty".