121236125632 has 14 divisors (see below), whose sum is σ = 240577936928. Its totient is φ = 60618062784.

The previous prime is 121236125629. The next prime is 121236125641. The reversal of 121236125632 is 236521632121.

121236125632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947157168 + ... + 947157295.

It is an arithmetic number, because the mean of its divisors is an integer number (17184138352).

Almost surely, 2^121236125632 is an apocalyptic number.

It is an amenable number.

121236125632 is a deficient number, since it is larger than the sum of its proper divisors (119341811296).

121236125632 is an equidigital number, since it uses as much as digits as its factorization.

121236125632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894314475 (or 1894314465 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

Adding to 121236125632 its reverse (236521632121), we get a palindrome (357757757753).

The spelling of 121236125632 in words is "one hundred twenty-one billion, two hundred thirty-six million, one hundred twenty-five thousand, six hundred thirty-two".