1220044112123 has 8 divisors (see below), whose sum is σ = 1229467549200. Its totient is φ = 1210622343840.

The previous prime is 1220044112099. The next prime is 1220044112129. The reversal of 1220044112123 is 3212114400221.

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 1220044112123 - 2⁶ = 1220044112059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220044112129) 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, 1071053 + ... + 1894001.

It is an arithmetic number, because the mean of its divisors is an integer number (153683443650).

Almost surely, 2^{1220044112123} is an apocalyptic number.

1220044112123 is a deficient number, since it is larger than the sum of its proper divisors (9423437077).

1220044112123 is a wasteful number, since it uses less digits than its factorization.

1220044112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834397.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1220044112123 its reverse (3212114400221), we get a palindrome (4432158512344).

The spelling of 1220044112123 in words is "one trillion, two hundred twenty billion, forty-four million, one hundred twelve thousand, one hundred twenty-three".