1220054331005 has 16 divisors (see below), whose sum is σ = 1499899040640. Its totient is φ = 952208351808.

The previous prime is 1220054330969. The next prime is 1220054331031. The reversal of 1220054331005 is 5001334500221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220054331005 - 2²⁶ = 1219987222141 is a prime.

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, 3201422 + ... + 3562191.

It is an arithmetic number, because the mean of its divisors is an integer number (93743690040).

Almost surely, 2^{1220054331005} is an apocalyptic number.

It is an amenable number.

1220054331005 is a deficient number, since it is larger than the sum of its proper divisors (279844709635).

1220054331005 is an equidigital number, since it uses as much as digits as its factorization.

1220054331005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764500.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1220054331005 its reverse (5001334500221), we get a palindrome (6221388831226).

The spelling of 1220054331005 in words is "one trillion, two hundred twenty billion, fifty-four million, three hundred thirty-one thousand, five".