1019474768412 has 120 divisors (see below), whose sum is σ = 2756562665472. Its totient is φ = 328207399200.

The previous prime is 1019474768407. The next prime is 1019474768531. The reversal of 1019474768412 is 2148674749101.

1019474768412 is a `hidden beast` number, since 1 + 0 + 1 + 94 + 7 + 476 + 84 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4951237 + ... + 5153027.

Almost surely, 2^{1019474768412} is an apocalyptic number.

1019474768412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1019474768412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378281332736).

1019474768412 is an abundant number, since it is smaller than the sum of its proper divisors (1737087897060).

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

1019474768412 is a wasteful number, since it uses less digits than its factorization.

1019474768412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202341 (or 202330 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 1019474768412 in words is "one trillion, nineteen billion, four hundred seventy-four million, seven hundred sixty-eight thousand, four hundred twelve".