121023321132 has 48 divisors (see below), whose sum is σ = 325745038080. Its totient is φ = 34254929472.

The previous prime is 121023321119. The next prime is 121023321151. The reversal of 121023321132 is 231123320121.

It is a super-2 number, since 2×121023321132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 121023321099 and 121023321108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6723507 + ... + 6741482.

It is an arithmetic number, because the mean of its divisors is an integer number (6786354960).

Almost surely, 2^121023321132 is an apocalyptic number.

121023321132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121023321132 is an abundant number, since it is smaller than the sum of its proper divisors (204721716948).

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

121023321132 is a wasteful number, since it uses less digits than its factorization.

121023321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465110 (or 13465108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121023321132 its reverse (231123320121), we get a palindrome (352146641253).

The spelling of 121023321132 in words is "one hundred twenty-one billion, twenty-three million, three hundred twenty-one thousand, one hundred thirty-two".