12003021532 has 12 divisors (see below), whose sum is σ = 21053801776. Its totient is φ = 5987649600.

The previous prime is 12003021529. The next prime is 12003021571. The reversal of 12003021532 is 23512030021.

It is a congruent number.

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, 3463344 + ... + 3466807.

Almost surely, 2^12003021532 is an apocalyptic number.

It is an amenable number.

12003021532 is a deficient number, since it is larger than the sum of its proper divisors (9050780244).

12003021532 is a wasteful number, since it uses less digits than its factorization.

12003021532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930588 (or 6930586 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12003021532 its reverse (23512030021), we get a palindrome (35515051553).

The spelling of 12003021532 in words is "twelve billion, three million, twenty-one thousand, five hundred thirty-two".