121320352004 has 24 divisors (see below), whose sum is σ = 216996046848. Its totient is φ = 59335954400.

The previous prime is 121320351991. The next prime is 121320352039. The reversal of 121320352004 is 400253023121.

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, 1775492 + ... + 1842555.

It is an arithmetic number, because the mean of its divisors is an integer number (9041501952).

Almost surely, 2^121320352004 is an apocalyptic number.

It is an amenable number.

121320352004 is a deficient number, since it is larger than the sum of its proper divisors (95675694844).

121320352004 is a wasteful number, since it uses less digits than its factorization.

121320352004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618235 (or 3618233 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 121320352004 its reverse (400253023121), we get a palindrome (521573375125).

The spelling of 121320352004 in words is "one hundred twenty-one billion, three hundred twenty million, three hundred fifty-two thousand, four".