1212110102212 has 6 divisors (see below), whose sum is σ = 2121192678878. Its totient is φ = 606055051104.

The previous prime is 1212110102209. The next prime is 1212110102219. The reversal of 1212110102212 is 2122010112121.

It can be written as a sum of positive squares in only one way, i.e., 1082694356676 + 129415745536 = 1040526^2 + 359744^2 .

It is not an unprimeable number, because it can be changed into a prime (1212110102219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151513762773 + ... + 151513762780.

Almost surely, 2^{1212110102212} is an apocalyptic number.

It is an amenable number.

1212110102212 is a deficient number, since it is larger than the sum of its proper divisors (909082576666).

1212110102212 is a wasteful number, since it uses less digits than its factorization.

1212110102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303027525557 (or 303027525555 counting only the distinct ones).

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

Adding to 1212110102212 its reverse (2122010112121), we get a palindrome (3334120214333).

Subtracting 1212110102212 from its reverse (2122010112121), we obtain a palindrome (909900009909).

The spelling of 1212110102212 in words is "one trillion, two hundred twelve billion, one hundred ten million, one hundred two thousand, two hundred twelve".