1220440344141 has 8 divisors (see below), whose sum is σ = 1627260197184. Its totient is φ = 813623693600.

The previous prime is 1220440344131. The next prime is 1220440344173. The reversal of 1220440344141 is 1414430440221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220440344141 - 2³⁴ = 1203260474957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220440344099 and 1220440344108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220440344121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307816 + ... + 1592366.

It is an arithmetic number, because the mean of its divisors is an integer number (203407524648).

Almost surely, 2^{1220440344141} is an apocalyptic number.

It is an amenable number.

1220440344141 is a deficient number, since it is larger than the sum of its proper divisors (406819853043).

1220440344141 is a wasteful number, since it uses less digits than its factorization.

1220440344141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601251.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1220440344141 its reverse (1414430440221), we get a palindrome (2634870784362).

The spelling of 1220440344141 in words is "one trillion, two hundred twenty billion, four hundred forty million, three hundred forty-four thousand, one hundred forty-one".