1202221202212 has 6 divisors (see below), whose sum is σ = 2103887103878. Its totient is φ = 601110601104.

The previous prime is 1202221202191. The next prime is 1202221202213. The reversal of 1202221202212 is 2122021222021.

It can be written as a sum of positive squares in only one way, i.e., 1185820814116 + 16400388096 = 1088954^2 + 128064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202221202212.

It is not an unprimeable number, because it can be changed into a prime (1202221202213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150277650273 + ... + 150277650280.

Almost surely, 2^{1202221202212} is an apocalyptic number.

It is an amenable number.

1202221202212 is a deficient number, since it is larger than the sum of its proper divisors (901665901666).

1202221202212 is a wasteful number, since it uses less digits than its factorization.

1202221202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300555300557 (or 300555300555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1202221202212 its reverse (2122021222021), we get a palindrome (3324242424233).

The spelling of 1202221202212 in words is "one trillion, two hundred two billion, two hundred twenty-one million, two hundred two thousand, two hundred twelve".