1210112222212 has 6 divisors (see below), whose sum is σ = 2117696388878. Its totient is φ = 605056111104.

The previous prime is 1210112222203. The next prime is 1210112222219. The reversal of 1210112222212 is 2122222110121.

It can be written as a sum of positive squares in only one way, i.e., 1200812705856 + 9299516356 = 1095816^2 + 96434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210112222212.

It is not an unprimeable number, because it can be changed into a prime (1210112222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151264027773 + ... + 151264027780.

Almost surely, 2^{1210112222212} is an apocalyptic number.

It is an amenable number.

1210112222212 is a deficient number, since it is larger than the sum of its proper divisors (907584166666).

1210112222212 is a wasteful number, since it uses less digits than its factorization.

1210112222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302528055557 (or 302528055555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1210112222212 its reverse (2122222110121), we get a palindrome (3332334332333).

The spelling of 1210112222212 in words is "one trillion, two hundred ten billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".