144221213020 has 12 divisors (see below), whose sum is σ = 302864547384. Its totient is φ = 57688485200.

The previous prime is 144221212991. The next prime is 144221213023. The reversal of 144221213020 is 20312122441.

It is a junction number, because it is equal to n+sod(n) for n = 144221212982 and 144221213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221213023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3605530306 + ... + 3605530345.

It is an arithmetic number, because the mean of its divisors is an integer number (25238712282).

Almost surely, 2^144221213020 is an apocalyptic number.

144221213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144221213020 is an abundant number, since it is smaller than the sum of its proper divisors (158643334364).

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

144221213020 is a wasteful number, since it uses less digits than its factorization.

144221213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211060660 (or 7211060658 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 144221213020 its reverse (20312122441), we get a palindrome (164533335461).

The spelling of 144221213020 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred thirteen thousand, twenty".