121213210010 has 16 divisors (see below), whose sum is σ = 221256790272. Its totient is φ = 47802392400.

The previous prime is 121213210007. The next prime is 121213210039. The reversal of 121213210010 is 10012312121.

121213210010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 85360706 + ... + 85362125.

It is an arithmetic number, because the mean of its divisors is an integer number (13828549392).

Almost surely, 2^121213210010 is an apocalyptic number.

121213210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213210010 is a deficient number, since it is larger than the sum of its proper divisors (100043580262).

121213210010 is a wasteful number, since it uses less digits than its factorization.

121213210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170722909.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121213210010 its reverse (10012312121), we get a palindrome (131225522131).

The spelling of 121213210010 in words is "one hundred twenty-one billion, two hundred thirteen million, two hundred ten thousand, ten".