1212222212202 has 192 divisors, whose sum is σ = 2696443416576. Its totient is φ = 362461989120.

The previous prime is 1212222212161. The next prime is 1212222212237. The reversal of 1212222212202 is 2022122222121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 587600623 + ... + 587602685.

It is an arithmetic number, because the mean of its divisors is an integer number (14043976128).

Almost surely, 2^{1212222212202} is an apocalyptic number.

1212222212202 is an abundant number, since it is smaller than the sum of its proper divisors (1484221204374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212222212202 is a wasteful number, since it uses less digits than its factorization.

1212222212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1212222212202 its reverse (2022122222121), we get a palindrome (3234344434323).

The spelling of 1212222212202 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".