121210312132 has 24 divisors (see below), whose sum is σ = 261068365376. Its totient is φ = 47951332128.

The previous prime is 121210312127. The next prime is 121210312183. The reversal of 121210312132 is 231213012121.

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 7 ways as a sum of consecutive naturals, for example, 166497318 + ... + 166498045.

Almost surely, 2^121210312132 is an apocalyptic number.

It is an amenable number.

121210312132 is an abundant number, since it is smaller than the sum of its proper divisors (139858053244).

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

121210312132 is a wasteful number, since it uses less digits than its factorization.

121210312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332995387 (or 332995385 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121210312132 its reverse (231213012121), we get a palindrome (352423324253).

The spelling of 121210312132 in words is "one hundred twenty-one billion, two hundred ten million, three hundred twelve thousand, one hundred thirty-two".