22133322031212 has 72 divisors (see below), whose sum is σ = 63941587347456. Its totient is φ = 6323719335264.

The previous prime is 22133322031193. The next prime is 22133322031267. The reversal of 22133322031212 is 21213022333122.

22133322031212 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 332 + 2 + 0 + 312 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19021173 + ... + 20151219.

It is an arithmetic number, because the mean of its divisors is an integer number (888077602048).

Almost surely, 2^{22133322031212} is an apocalyptic number.

It is an amenable number.

22133322031212 is an abundant number, since it is smaller than the sum of its proper divisors (41808265316244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22133322031212 is a wasteful number, since it uses less digits than its factorization.

22133322031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207787 (or 1207782 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 22133322031212 its reverse (21213022333122), we get a palindrome (43346344364334).

The spelling of 22133322031212 in words is "twenty-two trillion, one hundred thirty-three billion, three hundred twenty-two million, thirty-one thousand, two hundred twelve".