1201212202222 has 16 divisors (see below), whose sum is σ = 1836299490480. Its totient is φ = 589118355072.

The previous prime is 1201212202189. The next prime is 1201212202259. The reversal of 1201212202222 is 2222022121021.

It is a super-3 number, since 3×1201212202222³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201212202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091772 + ... + 1895887.

It is an arithmetic number, because the mean of its divisors is an integer number (114768718155).

Almost surely, 2^{1201212202222} is an apocalyptic number.

1201212202222 is a deficient number, since it is larger than the sum of its proper divisors (635087288258).

1201212202222 is a wasteful number, since it uses less digits than its factorization.

1201212202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991507.

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

Adding to 1201212202222 its reverse (2222022121021), we get a palindrome (3423234323243).

The spelling of 1201212202222 in words is "one trillion, two hundred one billion, two hundred twelve million, two hundred two thousand, two hundred twenty-two".