121203432113 has 8 divisors (see below), whose sum is σ = 121968215040. Its totient is φ = 120440005920.

The previous prime is 121203432107. The next prime is 121203432121. The reversal of 121203432113 is 311234302121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121203432113 - 2¹⁶ = 121203366577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121203432013) by changing a digit.

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, 159653 + ... + 517586.

It is an arithmetic number, because the mean of its divisors is an integer number (15246026880).

Almost surely, 2^121203432113 is an apocalyptic number.

It is an amenable number.

121203432113 is a deficient number, since it is larger than the sum of its proper divisors (764782927).

121203432113 is an equidigital number, since it uses as much as digits as its factorization.

121203432113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678367.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121203432113 its reverse (311234302121), we get a palindrome (432437734234).

The spelling of 121203432113 in words is "one hundred twenty-one billion, two hundred three million, four hundred thirty-two thousand, one hundred thirteen".