233011213012 has 6 divisors (see below), whose sum is σ = 407769622778. Its totient is φ = 116505606504.

The previous prime is 233011213003. The next prime is 233011213027. The reversal of 233011213012 is 210312110332.

It can be written as a sum of positive squares in only one way, i.e., 233005082436 + 6130576 = 482706^2 + 2476^2 .

It is a super-2 number, since 2×233011213012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29126401623 + ... + 29126401630.

Almost surely, 2^233011213012 is an apocalyptic number.

It is an amenable number.

233011213012 is a deficient number, since it is larger than the sum of its proper divisors (174758409766).

233011213012 is a wasteful number, since it uses less digits than its factorization.

233011213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58252803257 (or 58252803255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 233011213012 its reverse (210312110332), we get a palindrome (443323323344).

The spelling of 233011213012 in words is "two hundred thirty-three billion, eleven million, two hundred thirteen thousand, twelve".