121323212122010 has 16 divisors (see below), whose sum is σ = 225912188089800. Its totient is φ = 46855861233216.

The previous prime is 121323212122009. The next prime is 121323212122121. The reversal of 121323212122010 is 10221212323121.

It can be written as a sum of positive squares in 4 ways, for example, as 90319040198689 + 31004171923321 = 9503633^2 + 5568139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209177951645 + ... + 209177952224.

Almost surely, 2^{121323212122010} is an apocalyptic number.

121323212122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121323212122010 is a deficient number, since it is larger than the sum of its proper divisors (104588975967790).

121323212122010 is a wasteful number, since it uses less digits than its factorization.

121323212122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418355903905.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121323212122010 its reverse (10221212323121), we get a palindrome (131544424445131).

The spelling of 121323212122010 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred twenty-two thousand, ten".