1222119980 has 12 divisors (see below), whose sum is σ = 2566452000. Its totient is φ = 488847984.

The previous prime is 1222119979. The next prime is 1222120007. The reversal of 1222119980 is 899112221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222119980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30552980 + ... + 30553019.

It is an arithmetic number, because the mean of its divisors is an integer number (213871000).

Almost surely, 2^1222119980 is an apocalyptic number.

1222119980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222119980 is an abundant number, since it is smaller than the sum of its proper divisors (1344332020).

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

1222119980 is a wasteful number, since it uses less digits than its factorization.

1222119980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61106008 (or 61106006 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1222119980 is about 34958.8326464143. The cubic root of 1222119980 is about 1069.1482959456.

The spelling of 1222119980 in words is "one billion, two hundred twenty-two million, one hundred nineteen thousand, nine hundred eighty".