1002144322212 has 144 divisors (see below), whose sum is σ = 2582453379072. Its totient is φ = 299970000000.

The previous prime is 1002144322211. The next prime is 1002144322217. The reversal of 1002144322212 is 2122234412001.

It is not an unprimeable number, because it can be changed into a prime (1002144322211) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1011245037 + ... + 1011246027.

Almost surely, 2^{1002144322212} is an apocalyptic number.

1002144322212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002144322212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291226689536).

1002144322212 is an abundant number, since it is smaller than the sum of its proper divisors (1580309056860).

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

1002144322212 is a wasteful number, since it uses less digits than its factorization.

1002144322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1002144322212 its reverse (2122234412001), we get a palindrome (3124378734213).

The spelling of 1002144322212 in words is "one trillion, two billion, one hundred forty-four million, three hundred twenty-two thousand, two hundred twelve".