1071270712842 has 32 divisors (see below), whose sum is σ = 2340964373184. Its totient is φ = 324121036800.

The previous prime is 1071270712823. The next prime is 1071270712849. The reversal of 1071270712842 is 2482170721701.

It is a super-2 number, since 2×1071270712842² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071270712794 and 1071270712803.

It is not an unprimeable number, because it can be changed into a prime (1071270712849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12618673 + ... + 12703284.

It is an arithmetic number, because the mean of its divisors is an integer number (73155136662).

Almost surely, 2^{1071270712842} is an apocalyptic number.

1071270712842 is an abundant number, since it is smaller than the sum of its proper divisors (1269693660342).

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

1071270712842 is a wasteful number, since it uses less digits than its factorization.

1071270712842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25322614.

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 1071270712842 in words is "one trillion, seventy-one billion, two hundred seventy million, seven hundred twelve thousand, eight hundred forty-two".