144204144121020 has 48 divisors (see below), whose sum is σ = 403808455941408. Its totient is φ = 38450928679680.

The previous prime is 144204144121007. The next prime is 144204144121031. The reversal of 144204144121020 is 20121441402441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109016871 + ... + 110331710.

It is an arithmetic number, because the mean of its divisors is an integer number (8412676165446).

Almost surely, 2^{144204144121020} is an apocalyptic number.

144204144121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144204144121020 is an abundant number, since it is smaller than the sum of its proper divisors (259604311820388).

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

144204144121020 is a wasteful number, since it uses less digits than its factorization.

144204144121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219359550 (or 219359548 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 144204144121020 its reverse (20121441402441), we get a palindrome (164325585523461).

The spelling of 144204144121020 in words is "one hundred forty-four trillion, two hundred four billion, one hundred forty-four million, one hundred twenty-one thousand, twenty".