121220302304 has 12 divisors (see below), whose sum is σ = 238652470224. Its totient is φ = 60610151136.

The previous prime is 121220302277. The next prime is 121220302337. The reversal of 121220302304 is 403203022121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894067192 + ... + 1894067255.

It is an arithmetic number, because the mean of its divisors is an integer number (19887705852).

Almost surely, 2^121220302304 is an apocalyptic number.

It is an amenable number.

121220302304 is a deficient number, since it is larger than the sum of its proper divisors (117432167920).

121220302304 is an equidigital number, since it uses as much as digits as its factorization.

121220302304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788134457 (or 3788134449 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121220302304 its reverse (403203022121), we get a palindrome (524423324425).

The spelling of 121220302304 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred two thousand, three hundred four".