121200300213 has 32 divisors (see below), whose sum is σ = 167642006400. Its totient is φ = 77795429376.

The previous prime is 121200300197. The next prime is 121200300227. The reversal of 121200300213 is 312003002121.

It is not a de Polignac number, because 121200300213 - 2⁴ = 121200300197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121200300192 and 121200300201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200340213) 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 31 ways as a sum of consecutive naturals, for example, 72704806 + ... + 72706472.

It is an arithmetic number, because the mean of its divisors is an integer number (5238812700).

Almost surely, 2^121200300213 is an apocalyptic number.

It is an amenable number.

121200300213 is a deficient number, since it is larger than the sum of its proper divisors (46441706187).

121200300213 is a wasteful number, since it uses less digits than its factorization.

121200300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121200300213 its reverse (312003002121), we get a palindrome (433203302334).

The spelling of 121200300213 in words is "one hundred twenty-one billion, two hundred million, three hundred thousand, two hundred thirteen".