121213610246 has 4 divisors (see below), whose sum is σ = 181820415372. Its totient is φ = 60606805122.

The previous prime is 121213610233. The next prime is 121213610249. The reversal of 121213610246 is 642016312121.

121213610246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213610249) 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 as a sum of consecutive naturals, namely, 30303402560 + ... + 30303402563.

It is an arithmetic number, because the mean of its divisors is an integer number (45455103843).

Almost surely, 2^121213610246 is an apocalyptic number.

121213610246 is a deficient number, since it is larger than the sum of its proper divisors (60606805126).

121213610246 is an equidigital number, since it uses as much as digits as its factorization.

121213610246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60606805125.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 121213610246 its reverse (642016312121), we get a palindrome (763229922367).

The spelling of 121213610246 in words is "one hundred twenty-one billion, two hundred thirteen million, six hundred ten thousand, two hundred forty-six".