121203303232 has 42 divisors (see below), whose sum is σ = 264365331314. Its totient is φ = 55092407040.

The previous prime is 121203303223. The next prime is 121203303239. The reversal of 121203303232 is 232303302121.

It can be written as a sum of positive squares in only one way, i.e., 103848929536 + 17354373696 = 322256^2 + 131736^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203303239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7817883 + ... + 7833370.

Almost surely, 2^121203303232 is an apocalyptic number.

It is an amenable number.

121203303232 is an abundant number, since it is smaller than the sum of its proper divisors (143162028082).

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

121203303232 is a wasteful number, since it uses less digits than its factorization.

121203303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15651287 (or 15651266 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121203303232 its reverse (232303302121), we get a palindrome (353506605353).

The spelling of 121203303232 in words is "one hundred twenty-one billion, two hundred three million, three hundred three thousand, two hundred thirty-two".