121211200032 has 96 divisors (see below), whose sum is σ = 346783405248. Its totient is φ = 36846375936.

The previous prime is 121211199983. The next prime is 121211200039. The reversal of 121211200032 is 230002112121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 121211199984 and 121211200020.

It is not an unprimeable number, because it can be changed into a prime (121211200039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481503 + ... + 688670.

It is an arithmetic number, because the mean of its divisors is an integer number (3612327138).

Almost surely, 2^121211200032 is an apocalyptic number.

121211200032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121211200032 is an abundant number, since it is smaller than the sum of its proper divisors (225572205216).

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

121211200032 is a wasteful number, since it uses less digits than its factorization.

121211200032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170282 (or 1170274 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121211200032 its reverse (230002112121), we get a palindrome (351213312153).

The spelling of 121211200032 in words is "one hundred twenty-one billion, two hundred eleven million, two hundred thousand, thirty-two".