10121001212 has 12 divisors (see below), whose sum is σ = 20242002480. Its totient is φ = 4337571936.

The previous prime is 10121001199. The next prime is 10121001217. The reversal of 10121001212 is 21210012101.

10121001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10121001212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 10121001193 and 10121001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121001217) 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, 180732137 + ... + 180732192.

It is an arithmetic number, because the mean of its divisors is an integer number (1686833540).

Almost surely, 2^10121001212 is an apocalyptic number.

It is an amenable number.

10121001212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121001212 is a wasteful number, since it uses less digits than its factorization.

10121001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361464340 (or 361464338 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121001212 its reverse (21210012101), we get a palindrome (31331013313).

The spelling of 10121001212 in words is "ten billion, one hundred twenty-one million, one thousand, two hundred twelve".