121323102032 has 160 divisors (see below), whose sum is σ = 265591001088. Its totient is φ = 53222400000.

The previous prime is 121323102007. The next prime is 121323102041. The reversal of 121323102032 is 230201323121.

It is a junction number, because it is equal to n+sod(n) for n = 121323101995 and 121323102013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137710232 + ... + 137711112.

Almost surely, 2^121323102032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121323102032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132795500544).

121323102032 is an abundant number, since it is smaller than the sum of its proper divisors (144267899056).

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

121323102032 is a wasteful number, since it uses less digits than its factorization.

121323102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121323102032 its reverse (230201323121), we get a palindrome (351524425153).

Subtracting 121323102032 from its reverse (230201323121), we obtain a square (108878221089 = 329967²).

The spelling of 121323102032 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred two thousand, thirty-two".