121210220210012 has 12 divisors (see below), whose sum is σ = 213788104938240. Its totient is φ = 60127904513376.

The previous prime is 121210220209987. The next prime is 121210220210021. The reversal of 121210220210012 is 210012022012121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119301397337 + ... + 119301398352.

It is an arithmetic number, because the mean of its divisors is an integer number (17815675411520).

Almost surely, 2^{121210220210012} is an apocalyptic number.

It is an amenable number.

121210220210012 is a deficient number, since it is larger than the sum of its proper divisors (92577884728228).

121210220210012 is a wasteful number, since it uses less digits than its factorization.

121210220210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238602795820 (or 238602795818 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121210220210012 its reverse (210012022012121), we get a palindrome (331222242222133).

The spelling of 121210220210012 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty million, two hundred ten thousand, twelve".