1065512611812 has 48 divisors (see below), whose sum is σ = 2854962028800. Its totient is φ = 305888787360.

The previous prime is 1065512611811. The next prime is 1065512611843. The reversal of 1065512611812 is 2181162155601.

It is a super-2 number, since 2×1065512611812² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065512611811) 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, 212420262 + ... + 212425277.

It is an arithmetic number, because the mean of its divisors is an integer number (59478375600).

Almost surely, 2^{1065512611812} is an apocalyptic number.

1065512611812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1065512611812 is an abundant number, since it is smaller than the sum of its proper divisors (1789449416988).

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

1065512611812 is a wasteful number, since it uses less digits than its factorization.

1065512611812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424845576 (or 424845574 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The spelling of 1065512611812 in words is "one trillion, sixty-five billion, five hundred twelve million, six hundred eleven thousand, eight hundred twelve".