121510351332 has 36 divisors (see below), whose sum is σ = 314294220240. Its totient is φ = 39561509232.

The previous prime is 121510351307. The next prime is 121510351351. The reversal of 121510351332 is 233153015121.

121510351332 is a `hidden beast` number, since 1 + 2 + 15 + 103 + 513 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 121510351296 and 121510351305.

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 11 ways as a sum of consecutive naturals, for example, 39245982 + ... + 39249077.

Almost surely, 2^121510351332 is an apocalyptic number.

121510351332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121510351332 is an abundant number, since it is smaller than the sum of its proper divisors (192783868908).

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

121510351332 is a wasteful number, since it uses less digits than its factorization.

121510351332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78495112 (or 78495107 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 121510351332 its reverse (233153015121), we get a palindrome (354663366453).

The spelling of 121510351332 in words is "one hundred twenty-one billion, five hundred ten million, three hundred fifty-one thousand, three hundred thirty-two".