121210020211212 has 36 divisors (see below), whose sum is σ = 309425579657376. Its totient is φ = 40003306999200.

The previous prime is 121210020211151. The next prime is 121210020211219. The reversal of 121210020211212 is 212112020012121.

121210020211212 is a `hidden beast` number, since 1 + 212 + 10 + 0 + 20 + 211 + 212 = 666.

121210020211212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121210020211219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16668040948 + ... + 16668048219.

Almost surely, 2^{121210020211212} is an apocalyptic number.

121210020211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121210020211212 is an abundant number, since it is smaller than the sum of its proper divisors (188215559446164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210020211212 is a wasteful number, since it uses less digits than its factorization.

121210020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336089278 (or 33336089273 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121210020211212 its reverse (212112020012121), we get a palindrome (333322040223333).

The spelling of 121210020211212 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty million, two hundred eleven thousand, two hundred twelve".