10201312212 has 144 divisors (see below), whose sum is σ = 29939736960. Its totient is φ = 2632589568.

The previous prime is 10201312201. The next prime is 10201312237. The reversal of 10201312212 is 21221310201.

It is a junction number, because it is equal to n+sod(n) for n = 10201312191 and 10201312200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2410114 + ... + 2414342.

It is an arithmetic number, because the mean of its divisors is an integer number (207914840).

Almost surely, 2^10201312212 is an apocalyptic number.

10201312212 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 10201312212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14969868480).

10201312212 is an abundant number, since it is smaller than the sum of its proper divisors (19738424748).

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

10201312212 is a wasteful number, since it uses less digits than its factorization.

10201312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4301 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10201312212 its reverse (21221310201), we get a palindrome (31422622413).

The spelling of 10201312212 in words is "ten billion, two hundred one million, three hundred twelve thousand, two hundred twelve".