22132111032212 has 12 divisors (see below), whose sum is σ = 38733926379540. Its totient is φ = 11065274923776.

The previous prime is 22132111032193. The next prime is 22132111032259. The reversal of 22132111032212 is 21223011123122.

It can be written as a sum of positive squares in 2 ways, for example, as 12998938003216 + 9133173028996 = 3605404^2 + 3022114^2 .

It is a super-2 number, since 2×22132111032212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195084287 + ... + 195197702.

It is an arithmetic number, because the mean of its divisors is an integer number (3227827198295).

Almost surely, 2^{22132111032212} is an apocalyptic number.

It is an amenable number.

22132111032212 is a deficient number, since it is larger than the sum of its proper divisors (16601815347328).

22132111032212 is a wasteful number, since it uses less digits than its factorization.

22132111032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390296170 (or 390296168 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22132111032212 its reverse (21223011123122), we get a palindrome (43355122155334).

It can be divided in two parts, 2213211 and 1032212, that added together give a palindrome (3245423).

The spelling of 22132111032212 in words is "twenty-two trillion, one hundred thirty-two billion, one hundred eleven million, thirty-two thousand, two hundred twelve".