1270535770842 has 64 divisors (see below), whose sum is σ = 2751291518976. Its totient is φ = 388831988160.

The previous prime is 1270535770841. The next prime is 1270535770849. The reversal of 1270535770842 is 2480775350721.

It is a super-2 number, since 2×1270535770842² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270535770841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11174893 + ... + 11288015.

It is an arithmetic number, because the mean of its divisors is an integer number (42988929984).

Almost surely, 2^{1270535770842} is an apocalyptic number.

1270535770842 is an abundant number, since it is smaller than the sum of its proper divisors (1480755748134).

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

1270535770842 is a wasteful number, since it uses less digits than its factorization.

1270535770842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113915.

The product of its (nonzero) digits is 3292800, while the sum is 51.

It can be divided in two parts, 127053 and 5770842, that added together give a triangular number (5897895 = T₃₄₃₄).

The spelling of 1270535770842 in words is "one trillion, two hundred seventy billion, five hundred thirty-five million, seven hundred seventy thousand, eight hundred forty-two".