1012221102212 has 48 divisors (see below), whose sum is σ = 1840128675840. Its totient is φ = 486843300000.

The previous prime is 1012221102163. The next prime is 1012221102257. The reversal of 1012221102212 is 2122011222101.

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 15 ways as a sum of consecutive naturals, for example, 89961587 + ... + 89972837.

It is an arithmetic number, because the mean of its divisors is an integer number (38336014080).

Almost surely, 2^{1012221102212} is an apocalyptic number.

It is an amenable number.

1012221102212 is a deficient number, since it is larger than the sum of its proper divisors (827907573628).

1012221102212 is a wasteful number, since it uses less digits than its factorization.

1012221102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19472 (or 19470 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012221102212 its reverse (2122011222101), we get a palindrome (3134232324313).

The spelling of 1012221102212 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred twelve".