10212220211212 has 12 divisors (see below), whose sum is σ = 18286998983176. Its totient is φ = 4987363358880.

The previous prime is 10212220211189. The next prime is 10212220211231. The reversal of 10212220211212 is 21211202221201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212220211212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29686686489 + ... + 29686686832.

Almost surely, 2^{10212220211212} is an apocalyptic number.

It is an amenable number.

10212220211212 is a deficient number, since it is larger than the sum of its proper divisors (8074778771964).

10212220211212 is a wasteful number, since it uses less digits than its factorization.

10212220211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59373373368 (or 59373373366 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212220211212 its reverse (21211202221201), we get a palindrome (31423422432413).

The spelling of 10212220211212 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred twelve".