121201231232 has 32 divisors (see below), whose sum is σ = 241579962000. Its totient is φ = 60569397760.

The previous prime is 121201231219. The next prime is 121201231297. The reversal of 121201231232 is 232132102121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6557 + ... + 492387.

Almost surely, 2^121201231232 is an apocalyptic number.

It is an amenable number.

121201231232 is a deficient number, since it is larger than the sum of its proper divisors (120378730768).

121201231232 is an equidigital number, since it uses as much as digits as its factorization.

121201231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487794 (or 487782 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121201231232 its reverse (232132102121), we get a palindrome (353333333353).

The spelling of 121201231232 in words is "one hundred twenty-one billion, two hundred one million, two hundred thirty-one thousand, two hundred thirty-two".