10211212312 has 96 divisors (see below), whose sum is σ = 22587390000. Its totient is φ = 4314643200.

The previous prime is 10211212289. The next prime is 10211212321. The reversal of 10211212312 is 21321211201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13817239 + ... + 13817977.

Almost surely, 2^10211212312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10211212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11293695000).

10211212312 is an abundant number, since it is smaller than the sum of its proper divisors (12376177688).

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

10211212312 is a wasteful number, since it uses less digits than its factorization.

10211212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1198 counting only the distinct ones).

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

Adding to 10211212312 its reverse (21321211201), we get a palindrome (31532423513).

The spelling of 10211212312 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, three hundred twelve".