1220878686130 has 32 divisors (see below), whose sum is σ = 2251394103168. Its totient is φ = 476395401600.

The previous prime is 1220878686109. The next prime is 1220878686143. The reversal of 1220878686130 is 316868780221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4375915 + ... + 4646545.

It is an arithmetic number, because the mean of its divisors is an integer number (70356065724).

Almost surely, 2^{1220878686130} is an apocalyptic number.

1220878686130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220878686130 is a deficient number, since it is larger than the sum of its proper divisors (1030515417038).

1220878686130 is a wasteful number, since it uses less digits than its factorization.

1220878686130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281682.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 1220878686130 in words is "one trillion, two hundred twenty billion, eight hundred seventy-eight million, six hundred eighty-six thousand, one hundred thirty".