1212202202222 has 8 divisors (see below), whose sum is σ = 1983603603672. Its totient is φ = 551001001000.

The previous prime is 1212202202219. The next prime is 1212202202291. The reversal of 1212202202222 is 2222022022121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212202202194 and 1212202202203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27550050029 + ... + 27550050072.

It is an arithmetic number, because the mean of its divisors is an integer number (247950450459).

Almost surely, 2^{1212202202222} is an apocalyptic number.

1212202202222 is a deficient number, since it is larger than the sum of its proper divisors (771401401450).

1212202202222 is a wasteful number, since it uses less digits than its factorization.

1212202202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55100100114.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1212202202222 its reverse (2222022022121), we get a palindrome (3434224224343).

The spelling of 1212202202222 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred two thousand, two hundred twenty-two".