1212202122 has 8 divisors (see below), whose sum is σ = 2424404256. Its totient is φ = 404067372.

The previous prime is 1212202093. The next prime is 1212202127. The reversal of 1212202122 is 2212022121.

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

1212202122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1212202127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101016838 + ... + 101016849.

It is an arithmetic number, because the mean of its divisors is an integer number (303050532).

Almost surely, 2^1212202122 is an apocalyptic number.

1212202122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1212202122 is a wasteful number, since it uses less digits than its factorization.

1212202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202033692.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1212202122 is about 34816.6931514180. The cubic root of 1212202122 is about 1066.2482874612.

Adding to 1212202122 its reverse (2212022121), we get a palindrome (3424224243).

The spelling of 1212202122 in words is "one billion, two hundred twelve million, two hundred two thousand, one hundred twenty-two".