12016531435 has 4 divisors (see below), whose sum is σ = 14419837728. Its totient is φ = 9613225144.

The previous prime is 12016531427. The next prime is 12016531487. The reversal of 12016531435 is 53413561021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53413561021 = 41 ⋅1302769781.

It is a cyclic number.

It is not a de Polignac number, because 12016531435 - 2³ = 12016531427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12016531397 and 12016531406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201653139 + ... + 1201653148.

It is an arithmetic number, because the mean of its divisors is an integer number (3604959432).

Almost surely, 2^12016531435 is an apocalyptic number.

12016531435 is a deficient number, since it is larger than the sum of its proper divisors (2403306293).

12016531435 is an equidigital number, since it uses as much as digits as its factorization.

12016531435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403306292.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 12016531435 in words is "twelve billion, sixteen million, five hundred thirty-one thousand, four hundred thirty-five".