121122020100212 has 6 divisors (see below), whose sum is σ = 211963535175378. Its totient is φ = 60561010050104.

The previous prime is 121122020100199. The next prime is 121122020100239. The reversal of 121122020100212 is 212001020221121.

It can be written as a sum of positive squares in only one way, i.e., 115088138791396 + 6033881308816 = 10727914^2 + 2456396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140252512523 + ... + 15140252512530.

It is an arithmetic number, because the mean of its divisors is an integer number (35327255862563).

Almost surely, 2^{121122020100212} is an apocalyptic number.

It is an amenable number.

121122020100212 is a deficient number, since it is larger than the sum of its proper divisors (90841515075166).

121122020100212 is a wasteful number, since it uses less digits than its factorization.

121122020100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30280505025057 (or 30280505025055 counting only the distinct ones).

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

Adding to 121122020100212 its reverse (212001020221121), we get a palindrome (333123040321333).

The spelling of 121122020100212 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty million, one hundred thousand, two hundred twelve".