121220302303 has 8 divisors (see below), whose sum is σ = 121440290256. Its totient is φ = 121000440000.

The previous prime is 121220302277. The next prime is 121220302337. The reversal of 121220302303 is 303203022121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121220302303 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 (121220302003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020113 + ... + 2079253.

It is an arithmetic number, because the mean of its divisors is an integer number (15180036282).

Almost surely, 2^121220302303 is an apocalyptic number.

121220302303 is a deficient number, since it is larger than the sum of its proper divisors (219987953).

121220302303 is an equidigital number, since it uses as much as digits as its factorization.

121220302303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62825.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121220302303 its reverse (303203022121), we get a palindrome (424423324424).

The spelling of 121220302303 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred two thousand, three hundred three".