1019426868112 has 40 divisors (see below), whose sum is σ = 2034457832000. Its totient is φ = 494562499200.

The previous prime is 1019426868071. The next prime is 1019426868143. The reversal of 1019426868112 is 2118686249101.

1019426868112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1019426868112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802487 + ... + 5010262.

It is an arithmetic number, because the mean of its divisors is an integer number (50861445800).

Almost surely, 2^{1019426868112} is an apocalyptic number.

It is an amenable number.

1019426868112 is a deficient number, since it is larger than the sum of its proper divisors (1015030963888).

1019426868112 is a wasteful number, since it uses less digits than its factorization.

1019426868112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812951 (or 9812945 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 1019426868112 in words is "one trillion, nineteen billion, four hundred twenty-six million, eight hundred sixty-eight thousand, one hundred twelve".