121201022211212 has 24 divisors (see below), whose sum is σ = 212193963547104. Its totient is φ = 60574176698112.

The previous prime is 121201022211193. The next prime is 121201022211229. The reversal of 121201022211212 is 212112220102121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481103588 + ... + 481355444.

It is an arithmetic number, because the mean of its divisors is an integer number (8841415147796).

Almost surely, 2^{121201022211212} is an apocalyptic number.

It is an amenable number.

121201022211212 is a deficient number, since it is larger than the sum of its proper divisors (90992941335892).

121201022211212 is a wasteful number, since it uses less digits than its factorization.

121201022211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303665 (or 303663 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121201022211212 its reverse (212112220102121), we get a palindrome (333313242313333).

The spelling of 121201022211212 in words is "one hundred twenty-one trillion, two hundred one billion, twenty-two million, two hundred eleven thousand, two hundred twelve".