121003120213 has 8 divisors (see below), whose sum is σ = 121463493120. Its totient is φ = 120542917200.

The previous prime is 121003120201. The next prime is 121003120241. The reversal of 121003120213 is 312021300121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121003120213 - 2⁵ = 121003120181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003120613) 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 7 ways as a sum of consecutive naturals, for example, 1489188 + ... + 1568338.

It is an arithmetic number, because the mean of its divisors is an integer number (15182936640).

Almost surely, 2^121003120213 is an apocalyptic number.

It is an amenable number.

121003120213 is a deficient number, since it is larger than the sum of its proper divisors (460372907).

121003120213 is an equidigital number, since it uses as much as digits as its factorization.

121003120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84947.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121003120213 its reverse (312021300121), we get a palindrome (433024420334).

It can be divided in two parts, 12100 and 3120213, that added together give a palindrome (3132313).

The spelling of 121003120213 in words is "one hundred twenty-one billion, three million, one hundred twenty thousand, two hundred thirteen".