12212002100032 has 56 divisors (see below), whose sum is σ = 27703677749760. Its totient is φ = 5232089694720.

The previous prime is 12212002100009. The next prime is 12212002100033. The reversal of 12212002100032 is 23000120021221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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 = 12212002099979 and 12212002100015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212002100033) 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, 2788432 + ... + 5674447.

Almost surely, 2^{12212002100032} is an apocalyptic number.

It is an amenable number.

12212002100032 is an abundant number, since it is smaller than the sum of its proper divisors (15491675649728).

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

12212002100032 is an equidigital number, since it uses as much as digits as its factorization.

12212002100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466119 (or 8466109 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12212002100032 its reverse (23000120021221), we get a palindrome (35212122121253).

The spelling of 12212002100032 in words is "twelve trillion, two hundred twelve billion, two million, one hundred thousand, thirty-two".