121340455232 has 14 divisors (see below), whose sum is σ = 240784965978. Its totient is φ = 60670227584.

The previous prime is 121340455217. The next prime is 121340455267. The reversal of 121340455232 is 232554043121.

It can be written as a sum of positive squares in only one way, i.e., 107804528896 + 13535926336 = 328336^2 + 116344^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 947972243 + ... + 947972370.

Almost surely, 2^121340455232 is an apocalyptic number.

It is an amenable number.

121340455232 is a deficient number, since it is larger than the sum of its proper divisors (119444510746).

121340455232 is an equidigital number, since it uses as much as digits as its factorization.

121340455232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895944625 (or 1895944615 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 121340455232 its reverse (232554043121), we get a palindrome (353894498353).

The spelling of 121340455232 in words is "one hundred twenty-one billion, three hundred forty million, four hundred fifty-five thousand, two hundred thirty-two".