121300020212 has 12 divisors (see below), whose sum is σ = 242600040480. Its totient is φ = 51985722936.

The previous prime is 121300020209. The next prime is 121300020227. The reversal of 121300020212 is 212020003121.

It is a happy number.

121300020212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 2166071762 + ... + 2166071817.

It is an arithmetic number, because the mean of its divisors is an integer number (20216670040).

Almost surely, 2^121300020212 is an apocalyptic number.

It is an amenable number.

121300020212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121300020212 is a wasteful number, since it uses less digits than its factorization.

121300020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332143590 (or 4332143588 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121300020212 its reverse (212020003121), we get a palindrome (333320023333).

The spelling of 121300020212 in words is "one hundred twenty-one billion, three hundred million, twenty thousand, two hundred twelve".