121001202101212 has 6 divisors (see below), whose sum is σ = 211752103677128. Its totient is φ = 60500601050604.

The previous prime is 121001202101191. The next prime is 121001202101249. The reversal of 121001202101212 is 212101202100121.

It is a super-3 number, since 3×121001202101212³ (a number of 43 digits) contains 333 as substring.

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, 15125150262648 + ... + 15125150262655.

Almost surely, 2^{121001202101212} is an apocalyptic number.

It is an amenable number.

121001202101212 is a deficient number, since it is larger than the sum of its proper divisors (90750901575916).

121001202101212 is a wasteful number, since it uses less digits than its factorization.

121001202101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250300525307 (or 30250300525305 counting only the distinct ones).

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

Adding to 121001202101212 its reverse (212101202100121), we get a palindrome (333102404201333).

The spelling of 121001202101212 in words is "one hundred twenty-one trillion, one billion, two hundred two million, one hundred one thousand, two hundred twelve".