33012323212 has 48 divisors (see below), whose sum is σ = 65084544000. Its totient is φ = 14515300800.

The previous prime is 33012323209. The next prime is 33012323233. The reversal of 33012323212 is 21232321033.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4769178 + ... + 4776094.

It is an arithmetic number, because the mean of its divisors is an integer number (1355928000).

Almost surely, 2^33012323212 is an apocalyptic number.

It is an amenable number.

33012323212 is a deficient number, since it is larger than the sum of its proper divisors (32072220788).

33012323212 is a wasteful number, since it uses less digits than its factorization.

33012323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462 (or 10460 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33012323212 its reverse (21232321033), we get a palindrome (54244644245).

The spelling of 33012323212 in words is "thirty-three billion, twelve million, three hundred twenty-three thousand, two hundred twelve".