121201102001212 has 12 divisors (see below), whose sum is σ = 212112821860576. Its totient is φ = 60597438612480.

The previous prime is 121201102001209. The next prime is 121201102001263. The reversal of 121201102001212 is 212100201102121.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 778009413 + ... + 778165180.

Almost surely, 2^{121201102001212} is an apocalyptic number.

It is an amenable number.

121201102001212 is a deficient number, since it is larger than the sum of its proper divisors (90911719859364).

121201102001212 is a wasteful number, since it uses less digits than its factorization.

121201102001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556194068 (or 1556194066 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121201102001212 its reverse (212100201102121), we get a palindrome (333301303103333).

The spelling of 121201102001212 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one thousand, two hundred twelve".