12210454044432 has 240 divisors, whose sum is σ = 39130598302848. Its totient is φ = 3481870694400.

The previous prime is 12210454044389. The next prime is 12210454044487. The reversal of 12210454044432 is 23444045401221.

12210454044432 is a `hidden beast` number, since 1 + 2 + 2 + 104 + 540 + 4 + 4 + 4 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1860495583 + ... + 1860502145.

Almost surely, 2^{12210454044432} is an apocalyptic number.

12210454044432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210454044432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19565299151424).

12210454044432 is an abundant number, since it is smaller than the sum of its proper divisors (26920144258416).

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

12210454044432 is a wasteful number, since it uses less digits than its factorization.

12210454044432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918 (or 9909 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 12210454044432 its reverse (23444045401221), we get a palindrome (35654499445653).

The spelling of 12210454044432 in words is "twelve trillion, two hundred ten billion, four hundred fifty-four million, forty-four thousand, four hundred thirty-two".