1012112102212 has 6 divisors (see below), whose sum is σ = 1771196178878. Its totient is φ = 506056051104.

The previous prime is 1012112102191. The next prime is 1012112102219. The reversal of 1012112102212 is 2122012112101.

It can be written as a sum of positive squares in only one way, i.e., 750690547776 + 261421554436 = 866424^2 + 511294^2 .

It is not an unprimeable number, because it can be changed into a prime (1012112102219) by changing a digit.

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, 126514012773 + ... + 126514012780.

Almost surely, 2^{1012112102212} is an apocalyptic number.

It is an amenable number.

1012112102212 is a deficient number, since it is larger than the sum of its proper divisors (759084076666).

1012112102212 is a wasteful number, since it uses less digits than its factorization.

1012112102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253028025557 (or 253028025555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012112102212 its reverse (2122012112101), we get a palindrome (3134124214313).

The spelling of 1012112102212 in words is "one trillion, twelve billion, one hundred twelve million, one hundred two thousand, two hundred twelve".