121413223141320 has 128 divisors (see below), whose sum is σ = 399790111933440. Its totient is φ = 29252934915840.

The previous prime is 121413223141253. The next prime is 121413223141333. The reversal of 121413223141320 is 23141322314121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281931204 + ... + 282361523.

It is an arithmetic number, because the mean of its divisors is an integer number (3123360249480).

Almost surely, 2^{121413223141320} is an apocalyptic number.

121413223141320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121413223141320 is an abundant number, since it is smaller than the sum of its proper divisors (278376888792120).

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

121413223141320 is a wasteful number, since it uses less digits than its factorization.

121413223141320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564292915 (or 564292911 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 121413223141320 its reverse (23141322314121), we get a palindrome (144554545455441).

The spelling of 121413223141320 in words is "one hundred twenty-one trillion, four hundred thirteen billion, two hundred twenty-three million, one hundred forty-one thousand, three hundred twenty".