121030313200 has 30 divisors (see below), whose sum is σ = 290775328424. Its totient is φ = 48412125120.

The previous prime is 121030313171. The next prime is 121030313207. The reversal of 121030313200 is 2313030121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030313207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151287492 + ... + 151288291.

Almost surely, 2^121030313200 is an apocalyptic number.

121030313200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121030313200 is an abundant number, since it is smaller than the sum of its proper divisors (169745015224).

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

121030313200 is a wasteful number, since it uses less digits than its factorization.

121030313200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302575801 (or 302575790 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121030313200 its reverse (2313030121), we get a palindrome (123343343321).

The spelling of 121030313200 in words is "one hundred twenty-one billion, thirty million, three hundred thirteen thousand, two hundred".