1220402134304 has 48 divisors (see below), whose sum is σ = 2502926173440. Its totient is φ = 585099521280.

The previous prime is 1220402134207. The next prime is 1220402134307. The reversal of 1220402134304 is 4034312040221.

It is not an unprimeable number, because it can be changed into a prime (1220402134307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5535194 + ... + 5751449.

It is an arithmetic number, because the mean of its divisors is an integer number (52144295280).

Almost surely, 2^{1220402134304} is an apocalyptic number.

It is an amenable number.

1220402134304 is an abundant number, since it is smaller than the sum of its proper divisors (1282524039136).

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

1220402134304 is a wasteful number, since it uses less digits than its factorization.

1220402134304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286793 (or 11286785 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1220402134304 its reverse (4034312040221), we get a palindrome (5254714174525).

The spelling of 1220402134304 in words is "one trillion, two hundred twenty billion, four hundred two million, one hundred thirty-four thousand, three hundred four".