1219038415028 has 12 divisors (see below), whose sum is σ = 2438076830112. Its totient is φ = 522445035000.

The previous prime is 1219038414989. The next prime is 1219038415031. The reversal of 1219038415028 is 8205148309121.

1219038415028 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1219038415028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21768543098 + ... + 21768543153.

It is an arithmetic number, because the mean of its divisors is an integer number (203173069176).

Almost surely, 2^{1219038415028} is an apocalyptic number.

It is an amenable number.

1219038415028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1219038415028 is a wasteful number, since it uses less digits than its factorization.

1219038415028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43537086262 (or 43537086260 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 1219038415028 in words is "one trillion, two hundred nineteen billion, thirty-eight million, four hundred fifteen thousand, twenty-eight".