121210020200212 has 12 divisors (see below), whose sum is σ = 212120407093140. Its totient is φ = 60604189602176.

The previous prime is 121210020200153. The next prime is 121210020200221. The reversal of 121210020200212 is 212002020012121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33511177965456 + 87698842234756 = 5788884^2 + 9364766^2 .

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, 204792037 + ... + 205383052.

It is an arithmetic number, because the mean of its divisors is an integer number (17676700591095).

Almost surely, 2^{121210020200212} is an apocalyptic number.

It is an amenable number.

121210020200212 is a deficient number, since it is larger than the sum of its proper divisors (90910386892928).

121210020200212 is a wasteful number, since it uses less digits than its factorization.

121210020200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410248970 (or 410248968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121210020200212 its reverse (212002020012121), we get a palindrome (333212040212333).

The spelling of 121210020200212 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty million, two hundred thousand, two hundred twelve".