10122212212 has 96 divisors (see below), whose sum is σ = 21111552000. Its totient is φ = 4156935552.

The previous prime is 10122212197. The next prime is 10122212227. The reversal of 10122212212 is 21221222101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10122212197) and next prime (10122212227).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19886214 + ... + 19886722.

It is an arithmetic number, because the mean of its divisors is an integer number (219912000).

Almost surely, 2^10122212212 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 10122212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10555776000).

10122212212 is an abundant number, since it is smaller than the sum of its proper divisors (10989339788).

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

10122212212 is a wasteful number, since it uses less digits than its factorization.

10122212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10122212212 its reverse (21221222101), we get a palindrome (31343434313).

The spelling of 10122212212 in words is "ten billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twelve".