121001202120212 has 24 divisors (see below), whose sum is σ = 212916970875840. Its totient is φ = 60168216648960.

The previous prime is 121001202120143. The next prime is 121001202120257. The reversal of 121001202120212 is 212021202100121.

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 7 ways as a sum of consecutive naturals, for example, 53233373 + ... + 55459844.

It is an arithmetic number, because the mean of its divisors is an integer number (8871540453160).

Almost surely, 2^{121001202120212} is an apocalyptic number.

It is an amenable number.

121001202120212 is a deficient number, since it is larger than the sum of its proper divisors (91915768755628).

121001202120212 is a wasteful number, since it uses less digits than its factorization.

121001202120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108694751 (or 108694749 counting only the distinct ones).

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

Adding to 121001202120212 its reverse (212021202100121), we get a palindrome (333022404220333).

The spelling of 121001202120212 in words is "one hundred twenty-one trillion, one billion, two hundred two million, one hundred twenty thousand, two hundred twelve".