12003534535 has 8 divisors (see below), whose sum is σ = 14755564656. Its totient is φ = 9368612160.

The previous prime is 12003534523. The next prime is 12003534547. The reversal of 12003534535 is 53543530021.

It is an interprime number because it is at equal distance from previous prime (12003534523) and next prime (12003534547).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12003534535 - 2¹³ = 12003526343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003534497 and 12003534506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29276709 + ... + 29277118.

It is an arithmetic number, because the mean of its divisors is an integer number (1844445582).

Almost surely, 2^12003534535 is an apocalyptic number.

12003534535 is a deficient number, since it is larger than the sum of its proper divisors (2752030121).

12003534535 is an equidigital number, since it uses as much as digits as its factorization.

12003534535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58553873.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 12003534535 in words is "twelve billion, three million, five hundred thirty-four thousand, five hundred thirty-five".