12021211032 has 32 divisors (see below), whose sum is σ = 30155615280. Its totient is φ = 3993392000.

The previous prime is 12021210983. The next prime is 12021211117. The reversal of 12021211032 is 23011212021.

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, 847719 + ... + 861782.

Almost surely, 2^12021211032 is an apocalyptic number.

12021211032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021211032 is an abundant number, since it is smaller than the sum of its proper divisors (18134404248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021211032 is a wasteful number, since it uses less digits than its factorization.

12021211032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709803 (or 1709799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12021211032 its reverse (23011212021), we get a palindrome (35032423053).

The spelling of 12021211032 in words is "twelve billion, twenty-one million, two hundred eleven thousand, thirty-two".