10121213212 has 12 divisors (see below), whose sum is σ = 19322316216. Its totient is φ = 4600551440.

The previous prime is 10121213209. The next prime is 10121213231. The reversal of 10121213212 is 21231212101.

10121213212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 115013743 + ... + 115013830.

It is an arithmetic number, because the mean of its divisors is an integer number (1610193018).

Almost surely, 2^10121213212 is an apocalyptic number.

It is an amenable number.

10121213212 is a deficient number, since it is larger than the sum of its proper divisors (9201103004).

10121213212 is a wasteful number, since it uses less digits than its factorization.

10121213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230027588 (or 230027586 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10121213212 its reverse (21231212101), we get a palindrome (31352425313).

The spelling of 10121213212 in words is "ten billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twelve".