121512332 has 12 divisors (see below), whose sum is σ = 215209176. Its totient is φ = 60024000.

The previous prime is 121512317. The next prime is 121512337. The reversal of 121512332 is 233215121.

It is not an unprimeable number, because it can be changed into a prime (121512337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182669 + ... + 183332.

It is an arithmetic number, because the mean of its divisors is an integer number (17934098).

Almost surely, 2^121512332 is an apocalyptic number.

It is an amenable number.

121512332 is a deficient number, since it is larger than the sum of its proper divisors (93696844).

121512332 is a wasteful number, since it uses less digits than its factorization.

121512332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366088 (or 366086 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 121512332 is about 11023.2632192105. The cubic root of 121512332 is about 495.3058437084.

Adding to 121512332 its reverse (233215121), we get a palindrome (354727453).

The spelling of 121512332 in words is "one hundred twenty-one million, five hundred twelve thousand, three hundred thirty-two".