121012210101212 has 12 divisors (see below), whose sum is σ = 211771489377336. Its totient is φ = 60506070279120.

The previous prime is 121012210101191. The next prime is 121012210101239. The reversal of 121012210101212 is 212101012210121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133343 + ... + 15557705.

It is an arithmetic number, because the mean of its divisors is an integer number (17647624114778).

Almost surely, 2^{121012210101212} is an apocalyptic number.

It is an amenable number.

121012210101212 is a deficient number, since it is larger than the sum of its proper divisors (90759279276124).

121012210101212 is a wasteful number, since it uses less digits than its factorization.

121012210101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17385748 (or 17385746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012210101212 its reverse (212101012210121), we get a palindrome (333113222311333).

The spelling of 121012210101212 in words is "one hundred twenty-one trillion, twelve billion, two hundred ten million, one hundred one thousand, two hundred twelve".