233012202021 has 12 divisors (see below), whose sum is σ = 338716960972. Its totient is φ = 154352030976.

The previous prime is 233012202019. The next prime is 233012202047. The reversal of 233012202021 is 120202210332.

It can be written as a sum of positive squares in 2 ways, for example, as 140726268225 + 92285933796 = 375135^2 + 303786^2 .

It is not a de Polignac number, because 233012202021 - 2¹ = 233012202019 is a prime.

It is a super-3 number, since 3×233012202021³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233012201985 and 233012202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233012202011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82451596 + ... + 82454421.

Almost surely, 2^233012202021 is an apocalyptic number.

It is an amenable number.

233012202021 is a deficient number, since it is larger than the sum of its proper divisors (105704758951).

233012202021 is a wasteful number, since it uses less digits than its factorization.

233012202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164906180 (or 164906177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 233012202021 its reverse (120202210332), we get a palindrome (353214412353).

The spelling of 233012202021 in words is "two hundred thirty-three billion, twelve million, two hundred two thousand, twenty-one".