121301220131300 has 72 divisors (see below), whose sum is σ = 294913964089920. Its totient is φ = 42917384995200.

The previous prime is 121301220131297. The next prime is 121301220131323. The reversal of 121301220131300 is 3131022103121.

It is a happy number.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1490146280 + ... + 1490227679.

Almost surely, 2^{121301220131300} is an apocalyptic number.

121301220131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121301220131300 is an abundant number, since it is smaller than the sum of its proper divisors (173612743958620).

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

121301220131300 is a wasteful number, since it uses less digits than its factorization.

121301220131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980374021 (or 2980374014 counting only the distinct ones).

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

Adding to 121301220131300 its reverse (3131022103121), we get a palindrome (124432242234421).

It can be divided in two parts, 1213012 and 20131300, that added together give a palindrome (21344312).

The spelling of 121301220131300 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred twenty million, one hundred thirty-one thousand, three hundred".