1067012731842 has 16 divisors (see below), whose sum is σ = 2153969628192. Its totient is φ = 352346883200.

The previous prime is 1067012731739. The next prime is 1067012731843. The reversal of 1067012731842 is 2481372107601.

It is a super-2 number, since 2×1067012731842² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1067012731794 and 1067012731803.

It is not an unprimeable number, because it can be changed into a prime (1067012731843) 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, 831006159 + ... + 831007442.

It is an arithmetic number, because the mean of its divisors is an integer number (134623101762).

Almost surely, 2^{1067012731842} is an apocalyptic number.

1067012731842 is an abundant number, since it is smaller than the sum of its proper divisors (1086956896350).

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

1067012731842 is a wasteful number, since it uses less digits than its factorization.

1067012731842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662013713.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 1067012731842 in words is "one trillion, sixty-seven billion, twelve million, seven hundred thirty-one thousand, eight hundred forty-two".