1122212212002 has 48 divisors (see below), whose sum is σ = 2779834037760. Its totient is φ = 320514039936.

The previous prime is 1122212211997. The next prime is 1122212212007. The reversal of 1122212212002 is 2002122122211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1122212211997) and next prime (1122212212007).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1122212212007) 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 23 ways as a sum of consecutive naturals, for example, 1295223 + ... + 1980410.

It is an arithmetic number, because the mean of its divisors is an integer number (57913209120).

Almost surely, 2^{1122212212002} is an apocalyptic number.

1122212212002 is an abundant number, since it is smaller than the sum of its proper divisors (1657621825758).

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

1122212212002 is a wasteful number, since it uses less digits than its factorization.

1122212212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278367 (or 3278364 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122212212002 its reverse (2002122122211), we get a palindrome (3124334334213).

The spelling of 1122212212002 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, two".