10212111212212 has 24 divisors (see below), whose sum is σ = 21995316457856. Its totient is φ = 4039956083808.

The previous prime is 10212111212209. The next prime is 10212111212243. The reversal of 10212111212212 is 21221211121201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212111212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14027624928 + ... + 14027625655.

Almost surely, 2^{10212111212212} is an apocalyptic number.

It is an amenable number.

10212111212212 is an abundant number, since it is smaller than the sum of its proper divisors (11783205245644).

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

10212111212212 is a wasteful number, since it uses less digits than its factorization.

10212111212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055250607 (or 28055250605 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10212111212212 its reverse (21221211121201), we get a palindrome (31433322333413).

The spelling of 10212111212212 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, two hundred twelve thousand, two hundred twelve".