121002303204 has 18 divisors (see below), whose sum is σ = 305866933190. Its totient is φ = 40334101056.

The previous prime is 121002303179. The next prime is 121002303209. The reversal of 121002303204 is 402303200121.

121002303204 is a `hidden beast` number, since 12 + 100 + 230 + 320 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83636640000 + 37365663204 = 289200^2 + 193302^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121002303209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1680587509 + ... + 1680587580.

Almost surely, 2^121002303204 is an apocalyptic number.

It is an amenable number.

121002303204 is an abundant number, since it is smaller than the sum of its proper divisors (184864629986).

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

121002303204 is a wasteful number, since it uses less digits than its factorization.

121002303204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361175099 (or 3361175094 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121002303204 its reverse (402303200121), we get a palindrome (523305503325).

The spelling of 121002303204 in words is "one hundred twenty-one billion, two million, three hundred three thousand, two hundred four".