12210020030032 has 40 divisors (see below), whose sum is σ = 26640043713792. Its totient is φ = 5370976550400.

The previous prime is 12210020030009. The next prime is 12210020030053. The reversal of 12210020030032 is 23003002001221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12210020029988 and 12210020030015.

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, 1118947993 + ... + 1118958904.

Almost surely, 2^{12210020030032} is an apocalyptic number.

It is an amenable number.

12210020030032 is an abundant number, since it is smaller than the sum of its proper divisors (14430023683760).

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

12210020030032 is a wasteful number, since it uses less digits than its factorization.

12210020030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237906947 (or 2237906941 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12210020030032 its reverse (23003002001221), we get a palindrome (35213022031253).

The spelling of 12210020030032 in words is "twelve trillion, two hundred ten billion, twenty million, thirty thousand, thirty-two".