121302132232 has 16 divisors (see below), whose sum is σ = 227577797100. Its totient is φ = 60614719680.

The previous prime is 121302132221. The next prime is 121302132233. The reversal of 121302132232 is 232231203121.

It can be written as a sum of positive squares in 2 ways, for example, as 117900209956 + 3401922276 = 343366^2 + 58326^2 .

It is a super-2 number, since 2×121302132232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121302132233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4529119 + ... + 4555822.

Almost surely, 2^121302132232 is an apocalyptic number.

It is an amenable number.

121302132232 is a deficient number, since it is larger than the sum of its proper divisors (106275664868).

121302132232 is a wasteful number, since it uses less digits than its factorization.

121302132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086616 (or 9086612 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121302132232 its reverse (232231203121), we get a palindrome (353533335353).

The spelling of 121302132232 in words is "one hundred twenty-one billion, three hundred two million, one hundred thirty-two thousand, two hundred thirty-two".