10231121212 has 24 divisors (see below), whose sum is σ = 19294893072. Its totient is φ = 4718832000.

The previous prime is 10231121191. The next prime is 10231121213. The reversal of 10231121212 is 21212113201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10587 + ... + 143437.

It is an arithmetic number, because the mean of its divisors is an integer number (803953878).

Almost surely, 2^10231121212 is an apocalyptic number.

It is an amenable number.

10231121212 is a deficient number, since it is larger than the sum of its proper divisors (9063771860).

10231121212 is a wasteful number, since it uses less digits than its factorization.

10231121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134349 (or 134347 counting only the distinct ones).

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

Adding to 10231121212 its reverse (21212113201), we get a palindrome (31443234413).

The spelling of 10231121212 in words is "ten billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred twelve".