121242401132 has 48 divisors (see below), whose sum is σ = 222013220352. Its totient is φ = 57877001280.

The previous prime is 121242401129. The next prime is 121242401141. The reversal of 121242401132 is 231104242121.

It is a junction number, because it is equal to n+sod(n) for n = 121242401098 and 121242401107.

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 in 15 ways as a sum of consecutive naturals, for example, 6546878 + ... + 6565370.

It is an arithmetic number, because the mean of its divisors is an integer number (4625275424).

Almost surely, 2^121242401132 is an apocalyptic number.

It is an amenable number.

121242401132 is a deficient number, since it is larger than the sum of its proper divisors (100770819220).

121242401132 is a wasteful number, since it uses less digits than its factorization.

121242401132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398 (or 19396 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121242401132 its reverse (231104242121), we get a palindrome (352346643253).

The spelling of 121242401132 in words is "one hundred twenty-one billion, two hundred forty-two million, four hundred one thousand, one hundred thirty-two".