12012533493 has 8 divisors (see below), whose sum is σ = 16357492608. Its totient is φ = 7837965024.

The previous prime is 12012533483. The next prime is 12012533501. The reversal of 12012533493 is 39433521021.

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

It is not a de Polignac number, because 12012533493 - 2²¹ = 12010436341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012533483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42597496 + ... + 42597777.

It is an arithmetic number, because the mean of its divisors is an integer number (2044686576).

Almost surely, 2^12012533493 is an apocalyptic number.

It is an amenable number.

12012533493 is a deficient number, since it is larger than the sum of its proper divisors (4344959115).

12012533493 is an equidigital number, since it uses as much as digits as its factorization.

12012533493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85195323.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 12012533493 in words is "twelve billion, twelve million, five hundred thirty-three thousand, four hundred ninety-three".