1212222222202 has 8 divisors (see below), whose sum is σ = 1818983442996. Its totient is φ = 605894407872.

The previous prime is 1212222222199. The next prime is 1212222222203. The reversal of 1212222222202 is 2022222222121.

It can be written as a sum of positive squares in 2 ways, for example, as 1126015977321 + 86206244881 = 1061139^2 + 293609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1212222222203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108344623 + ... + 108355810.

Almost surely, 2^{1212222222202} is an apocalyptic number.

1212222222202 is a deficient number, since it is larger than the sum of its proper divisors (606761220794).

1212222222202 is a wasteful number, since it uses less digits than its factorization.

1212222222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216703232.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1212222222202 its reverse (2022222222121), we get a palindrome (3234444444323).

The spelling of 1212222222202 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".