1206530106443 has 4 divisors (see below), whose sum is σ = 1206533058360. Its totient is φ = 1206527154528.

The previous prime is 1206530106413. The next prime is 1206530106449. The reversal of 1206530106443 is 3446010356021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1206530106443 - 2¹² = 1206530102347 is a prime.

It is a super-2 number, since 2×1206530106443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206530106449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740813 + ... + 1721006.

It is an arithmetic number, because the mean of its divisors is an integer number (301633264590).

Almost surely, 2^{1206530106443} is an apocalyptic number.

1206530106443 is a deficient number, since it is larger than the sum of its proper divisors (2951917).

1206530106443 is an equidigital number, since it uses as much as digits as its factorization.

1206530106443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951916.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 1206530106443 in words is "one trillion, two hundred six billion, five hundred thirty million, one hundred six thousand, four hundred forty-three".