10223112103212 has 144 divisors (see below), whose sum is σ = 25687923805152. Its totient is φ = 3163050639360.

The previous prime is 10223112103187. The next prime is 10223112103219. The reversal of 10223112103212 is 21230121132201.

It is not an unprimeable number, because it can be changed into a prime (10223112103219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67837498 + ... + 67988030.

It is an arithmetic number, because the mean of its divisors is an integer number (178388359758).

Almost surely, 2^{10223112103212} is an apocalyptic number.

10223112103212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10223112103212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12843961902576).

10223112103212 is an abundant number, since it is smaller than the sum of its proper divisors (15464811701940).

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

10223112103212 is a wasteful number, since it uses less digits than its factorization.

10223112103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150896 (or 150875 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10223112103212 its reverse (21230121132201), we get a palindrome (31453233235413).

The spelling of 10223112103212 in words is "ten trillion, two hundred twenty-three billion, one hundred twelve million, one hundred three thousand, two hundred twelve".