12212210112002 has 32 divisors (see below), whose sum is σ = 19433692625904. Its totient is φ = 5735723929600.

The previous prime is 12212210111977. The next prime is 12212210112007. The reversal of 12212210112002 is 20021101221221.

It can be written as a sum of positive squares in 8 ways, for example, as 11938828578121 + 273381533881 = 3455261^2 + 522859^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (12212210112007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38166602 + ... + 38485242.

Almost surely, 2^{12212210112002} is an apocalyptic number.

12212210112002 is a deficient number, since it is larger than the sum of its proper divisors (7221482513902).

12212210112002 is a wasteful number, since it uses less digits than its factorization.

12212210112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320854.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212210112002 its reverse (20021101221221), we get a palindrome (32233311333223).

The spelling of 12212210112002 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, one hundred twelve thousand, two".