121421331032 has 32 divisors (see below), whose sum is σ = 231723763200. Its totient is φ = 59634640800.

The previous prime is 121421330981. The next prime is 121421331041. The reversal of 121421331032 is 230133124121.

It is a junction number, because it is equal to n+sod(n) for n = 121421330989 and 121421331007.

It is a congruent number.

It is an unprimeable number.

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, 240482 + ... + 548337.

It is an arithmetic number, because the mean of its divisors is an integer number (7241367600).

Almost surely, 2^121421331032 is an apocalyptic number.

It is an amenable number.

121421331032 is a deficient number, since it is larger than the sum of its proper divisors (110302432168).

121421331032 is a wasteful number, since it uses less digits than its factorization.

121421331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789167 (or 789163 counting only the distinct ones).

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

Adding to 121421331032 its reverse (230133124121), we get a palindrome (351554455153).

The spelling of 121421331032 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred thirty-one thousand, thirty-two".