121323301033220 has 96 divisors (see below), whose sum is σ = 316927803862656. Its totient is φ = 38328381388800.

The previous prime is 121323301033163. The next prime is 121323301033223. The reversal of 121323301033220 is 22330103323121.

It is a super-2 number, since 2×121323301033220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 121323301033220.

It is not an unprimeable number, because it can be changed into a prime (121323301033223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1247620046 + ... + 1247717285.

It is an arithmetic number, because the mean of its divisors is an integer number (3301331290236).

Almost surely, 2^{121323301033220} is an apocalyptic number.

121323301033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323301033220 is an abundant number, since it is smaller than the sum of its proper divisors (195604502829436).

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

121323301033220 is a wasteful number, since it uses less digits than its factorization.

121323301033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495337381 (or 2495337379 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 121323301033220 its reverse (22330103323121), we get a palindrome (143653404356341).

The spelling of 121323301033220 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, three hundred one million, thirty-three thousand, two hundred twenty".