1212200122202 has 8 divisors (see below), whose sum is σ = 1820373504276. Its totient is φ = 605408954112.

The previous prime is 1212200122193. The next prime is 1212200122247. The reversal of 1212200122202 is 2022210022121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1206436427641 + 5763694561 = 1098379^2 + 75919^2 .

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

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, 345551303 + ... + 345554810.

Almost surely, 2^{1212200122202} is an apocalyptic number.

1212200122202 is a deficient number, since it is larger than the sum of its proper divisors (608173382074).

1212200122202 is an equidigital number, since it uses as much as digits as its factorization.

1212200122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691106992.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212200122202 its reverse (2022210022121), we get a palindrome (3234410144323).

The spelling of 1212200122202 in words is "one trillion, two hundred twelve billion, two hundred million, one hundred twenty-two thousand, two hundred two".