12045771433 has 4 divisors (see below), whose sum is σ = 12046198788. Its totient is φ = 12045344080.

The previous prime is 12045771431. The next prime is 12045771461. The reversal of 12045771433 is 33417754021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2708994304 + 9336777129 = 52048^2 + 96627^2 .

It is a cyclic number.

It is not a de Polignac number, because 12045771433 - 2¹ = 12045771431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12045771392 and 12045771401.

It is not an unprimeable number, because it can be changed into a prime (12045771431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168166 + ... + 228847.

It is an arithmetic number, because the mean of its divisors is an integer number (3011549697).

Almost surely, 2^12045771433 is an apocalyptic number.

It is an amenable number.

12045771433 is a deficient number, since it is larger than the sum of its proper divisors (427355).

12045771433 is an equidigital number, since it uses as much as digits as its factorization.

12045771433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427354.

The product of its (nonzero) digits is 70560, while the sum is 37.

It can be divided in two parts, 120457 and 71433, that added together give a triangular number (191890 = T₆₁₉).

The spelling of 12045771433 in words is "twelve billion, forty-five million, seven hundred seventy-one thousand, four hundred thirty-three".