10121012212 has 6 divisors (see below), whose sum is σ = 17711771378. Its totient is φ = 5060506104.

The previous prime is 10121012177. The next prime is 10121012233. The reversal of 10121012212 is 21221012101.

10121012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9893485156 + 227527056 = 99466^2 + 15084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10121012192 and 10121012201.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1265126523 + ... + 1265126530.

Almost surely, 2^10121012212 is an apocalyptic number.

It is an amenable number.

10121012212 is a deficient number, since it is larger than the sum of its proper divisors (7590759166).

10121012212 is a wasteful number, since it uses less digits than its factorization.

10121012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530253057 (or 2530253055 counting only the distinct ones).

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

Adding to 10121012212 its reverse (21221012101), we get a palindrome (31342024313).

The spelling of 10121012212 in words is "ten billion, one hundred twenty-one million, twelve thousand, two hundred twelve".