235445012452021 has 32 divisors (see below), whose sum is σ = 254757686906880. Its totient is φ = 217038344293056.

The previous prime is 235445012451973. The next prime is 235445012452081. The reversal of 235445012452021 is 120254210544532.

It is not a de Polignac number, because 235445012452021 - 2¹³ = 235445012443829 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 (235445012452081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177436995 + ... + 178758991.

It is an arithmetic number, because the mean of its divisors is an integer number (7961177715840).

Almost surely, 2^{235445012452021} is an apocalyptic number.

It is an amenable number.

235445012452021 is a deficient number, since it is larger than the sum of its proper divisors (19312674454859).

235445012452021 is a wasteful number, since it uses less digits than its factorization.

235445012452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324593.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 235445012452021 its reverse (120254210544532), we get a palindrome (355699222996553).

The spelling of 235445012452021 in words is "two hundred thirty-five trillion, four hundred forty-five billion, twelve million, four hundred fifty-two thousand, twenty-one".