12212002122 has 64 divisors (see below), whose sum is σ = 27071864064. Its totient is φ = 3652858880.

The previous prime is 12212002097. The next prime is 12212002147. The reversal of 12212002122 is 22120021221.

It is an interprime number because it is at equal distance from previous prime (12212002097) and next prime (12212002147).

It is a super-3 number, since 3×12212002122³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735472 + ... + 751892.

It is an arithmetic number, because the mean of its divisors is an integer number (422997876).

Almost surely, 2^12212002122 is an apocalyptic number.

12212002122 is an abundant number, since it is smaller than the sum of its proper divisors (14859861942).

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

12212002122 is a wasteful number, since it uses less digits than its factorization.

12212002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783.

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

Adding to 12212002122 its reverse (22120021221), we get a palindrome (34332023343).

The spelling of 12212002122 in words is "twelve billion, two hundred twelve million, two thousand, one hundred twenty-two".