1210222010212 has 6 divisors (see below), whose sum is σ = 2117888517878. Its totient is φ = 605111005104.

The previous prime is 1210222010191. The next prime is 1210222010219. The reversal of 1210222010212 is 2120102220121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 691568539236 + 518653470976 = 831606^2 + 720176^2 .

It is not an unprimeable number, because it can be changed into a prime (1210222010219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151277751273 + ... + 151277751280.

Almost surely, 2^{1210222010212} is an apocalyptic number.

It is an amenable number.

1210222010212 is a deficient number, since it is larger than the sum of its proper divisors (907666507666).

1210222010212 is a wasteful number, since it uses less digits than its factorization.

1210222010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302555502557 (or 302555502555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210222010212 its reverse (2120102220121), we get a palindrome (3330324230333).

The spelling of 1210222010212 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, ten thousand, two hundred twelve".