234412220021 has 8 divisors (see below), whose sum is σ = 273599673600. Its totient is φ = 196649764848.

The previous prime is 234412219991. The next prime is 234412220039. The reversal of 234412220021 is 120022214432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234412220021 - 2¹⁴ = 234412203637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234412220921) 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, 356249246 + ... + 356249903.

It is an arithmetic number, because the mean of its divisors is an integer number (34199959200).

Almost surely, 2^234412220021 is an apocalyptic number.

It is an amenable number.

234412220021 is a deficient number, since it is larger than the sum of its proper divisors (39187453579).

234412220021 is an equidigital number, since it uses as much as digits as its factorization.

234412220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712499203.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 234412220021 its reverse (120022214432), we get a palindrome (354434434453).

The spelling of 234412220021 in words is "two hundred thirty-four billion, four hundred twelve million, two hundred twenty thousand, twenty-one".