221412134332004 has 48 divisors (see below), whose sum is σ = 483084338190720. Its totient is φ = 86263875452160.

The previous prime is 221412134331959. The next prime is 221412134332021. The reversal of 221412134332004 is 400233431214122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43858514 + ... + 48645590.

It is an arithmetic number, because the mean of its divisors is an integer number (10064257045640).

Almost surely, 2^{221412134332004} is an apocalyptic number.

It is an amenable number.

221412134332004 is an abundant number, since it is smaller than the sum of its proper divisors (261672203858716).

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

221412134332004 is a wasteful number, since it uses less digits than its factorization.

221412134332004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937268 (or 4937266 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 221412134332004 its reverse (400233431214122), we get a palindrome (621645565546126).

The spelling of 221412134332004 in words is "two hundred twenty-one trillion, four hundred twelve billion, one hundred thirty-four million, three hundred thirty-two thousand, four".