121003320004 has 24 divisors (see below), whose sum is σ = 250351698240. Its totient is φ = 50070338976.

The previous prime is 121003319959. The next prime is 121003320041. The reversal of 121003320004 is 400023300121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121003320004.

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, 74508622 + ... + 74510245.

It is an arithmetic number, because the mean of its divisors is an integer number (10431320760).

Almost surely, 2^121003320004 is an apocalyptic number.

121003320004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121003320004 is an abundant number, since it is smaller than the sum of its proper divisors (129348378236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121003320004 is a wasteful number, since it uses less digits than its factorization.

121003320004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149018907 (or 149018905 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 121003320004 its reverse (400023300121), we get a palindrome (521026620125).

The spelling of 121003320004 in words is "one hundred twenty-one billion, three million, three hundred twenty thousand, four".