121010212012 has 12 divisors (see below), whose sum is σ = 212128638120. Its totient is φ = 60402029696.

The previous prime is 121010212007. The next prime is 121010212019. The reversal of 121010212012 is 210212010121.

It is a super-2 number, since 2×121010212012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121010211983 and 121010212001.

It is not an unprimeable number, because it can be changed into a prime (121010212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25766437 + ... + 25771132.

It is an arithmetic number, because the mean of its divisors is an integer number (17677386510).

Almost surely, 2^121010212012 is an apocalyptic number.

It is an amenable number.

121010212012 is a deficient number, since it is larger than the sum of its proper divisors (91118426108).

121010212012 is a wasteful number, since it uses less digits than its factorization.

121010212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51538160 (or 51538158 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010212012 its reverse (210212010121), we get a palindrome (331222222133).

The spelling of 121010212012 in words is "one hundred twenty-one billion, ten million, two hundred twelve thousand, twelve".