1219039197228 has 72 divisors (see below), whose sum is σ = 3127819771440. Its totient is φ = 400234475520.

The previous prime is 1219039197179. The next prime is 1219039197253. The reversal of 1219039197228 is 8227919309121.

1219039197228 is a `hidden beast` number, since 1 + 21 + 9 + 0 + 391 + 9 + 7 + 228 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24792508 + ... + 24841628.

It is an arithmetic number, because the mean of its divisors is an integer number (43441941270).

Almost surely, 2^{1219039197228} is an apocalyptic number.

1219039197228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1219039197228 is an abundant number, since it is smaller than the sum of its proper divisors (1908780574212).

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

1219039197228 is a wasteful number, since it uses less digits than its factorization.

1219039197228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59487 (or 59482 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 1219039197228 in words is "one trillion, two hundred nineteen billion, thirty-nine million, one hundred ninety-seven thousand, two hundred twenty-eight".