121320232004 has 24 divisors (see below), whose sum is σ = 224304474240. Its totient is φ = 57322249376.

The previous prime is 121320231997. The next prime is 121320232013. The reversal of 121320232004 is 400232023121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11120762 + ... + 11131665.

It is an arithmetic number, because the mean of its divisors is an integer number (9346019760).

Almost surely, 2^121320232004 is an apocalyptic number.

It is an amenable number.

121320232004 is a deficient number, since it is larger than the sum of its proper divisors (102984242236).

121320232004 is a wasteful number, since it uses less digits than its factorization.

121320232004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22252507 (or 22252505 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121320232004 its reverse (400232023121), we get a palindrome (521552255125).

The spelling of 121320232004 in words is "one hundred twenty-one billion, three hundred twenty million, two hundred thirty-two thousand, four".