233311222012 has 24 divisors (see below), whose sum is σ = 459780475392. Its totient is φ = 102629569200.

The previous prime is 233311222009. The next prime is 233311222021. The reversal of 233311222012 is 210222113332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85523278 + ... + 85526005.

It is an arithmetic number, because the mean of its divisors is an integer number (19157519808).

Almost surely, 2^233311222012 is an apocalyptic number.

233311222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

233311222012 is a deficient number, since it is larger than the sum of its proper divisors (226469253380).

233311222012 is a wasteful number, since it uses less digits than its factorization.

233311222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171049329 (or 171049327 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 233311222012 its reverse (210222113332), we get a palindrome (443533335344).

The spelling of 233311222012 in words is "two hundred thirty-three billion, three hundred eleven million, two hundred twenty-two thousand, twelve".