121011101212 has 12 divisors (see below), whose sum is σ = 212593434480. Its totient is φ = 60270119936.

The previous prime is 121011101177. The next prime is 121011101273. The reversal of 121011101212 is 212101110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121011101192 and 121011101201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58856512 + ... + 58858567.

It is an arithmetic number, because the mean of its divisors is an integer number (17716119540).

Almost surely, 2^121011101212 is an apocalyptic number.

It is an amenable number.

121011101212 is a deficient number, since it is larger than the sum of its proper divisors (91582333268).

121011101212 is a wasteful number, since it uses less digits than its factorization.

121011101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117715340 (or 117715338 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121011101212 its reverse (212101110121), we get a palindrome (333112211333).

It can be divided in two parts, 12101110121 and 2, that multiplied together give a palindrome (24202220242).

The spelling of 121011101212 in words is "one hundred twenty-one billion, eleven million, one hundred one thousand, two hundred twelve".