1012212202112 has 16 divisors (see below), whose sum is σ = 2016516496650. Its totient is φ = 506106100992.

The previous prime is 1012212202109. The next prime is 1012212202129. The reversal of 1012212202112 is 2112022122101.

It can be written as a sum of positive squares in only one way, i.e., 951904630336 + 60307571776 = 975656^2 + 245576^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953953787 + ... + 3953954042.

Almost surely, 2^{1012212202112} is an apocalyptic number.

It is an amenable number.

1012212202112 is a deficient number, since it is larger than the sum of its proper divisors (1004304294538).

1012212202112 is an frugal number, since it uses more digits than its factorization.

1012212202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907907843 (or 7907907831 counting only the distinct ones).

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

Adding to 1012212202112 its reverse (2112022122101), we get a palindrome (3124234324213).

The spelling of 1012212202112 in words is "one trillion, twelve billion, two hundred twelve million, two hundred two thousand, one hundred twelve".