1212202202122 has 8 divisors (see below), whose sum is σ = 1818308087172. Its totient is φ = 606099506400.

The previous prime is 1212202202093. The next prime is 1212202202161. The reversal of 1212202202122 is 2212022022121.

It can be written as a sum of positive squares in 2 ways, for example, as 1112225453641 + 99976748481 = 1054621^2 + 316191^2 .

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

It is a super-2 number, since 2×1212202202122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212202202122.

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, 765622 + ... + 1735102.

Almost surely, 2^{1212202202122} is an apocalyptic number.

1212202202122 is a deficient number, since it is larger than the sum of its proper divisors (606105885050).

1212202202122 is an equidigital number, since it uses as much as digits as its factorization.

1212202202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594664.

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

Adding to 1212202202122 its reverse (2212022022121), we get a palindrome (3424224224243).

The spelling of 1212202202122 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred two thousand, one hundred twenty-two".