1220134334040 has 80 divisors (see below), whose sum is σ = 4101007078080. Its totient is φ = 325369154880.

The previous prime is 1220134334021. The next prime is 1220134334063. The reversal of 1220134334040 is 404334310221.

1220134334040 is a `hidden beast` number, since 1 + 220 + 1 + 3 + 4 + 33 + 404 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1220134333995 and 1220134334013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 188289096 + ... + 188295575.

It is an arithmetic number, because the mean of its divisors is an integer number (51262588476).

Almost surely, 2^{1220134334040} is an apocalyptic number.

1220134334040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220134334040 is an abundant number, since it is smaller than the sum of its proper divisors (2880872744040).

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

1220134334040 is a wasteful number, since it uses less digits than its factorization.

1220134334040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376584694 (or 376584681 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1220134334040 its reverse (404334310221), we get a palindrome (1624468644261).

The spelling of 1220134334040 in words is "one trillion, two hundred twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, forty".