1318019392272 has 40 divisors (see below), whose sum is σ = 3714418288800. Its totient is φ = 399399815680.

The previous prime is 1318019392229. The next prime is 1318019392273. The reversal of 1318019392272 is 2722939108131.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1318019392273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248123897 + ... + 1248124952.

It is an arithmetic number, because the mean of its divisors is an integer number (92860457220).

Almost surely, 2^{1318019392272} is an apocalyptic number.

1318019392272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1318019392272 is an abundant number, since it is smaller than the sum of its proper divisors (2396398896528).

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

1318019392272 is a wasteful number, since it uses less digits than its factorization.

1318019392272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496248871 (or 2496248865 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 1318019392272 in words is "one trillion, three hundred eighteen billion, nineteen million, three hundred ninety-two thousand, two hundred seventy-two".