22212001332212 has 24 divisors (see below), whose sum is σ = 39029666300352. Its totient is φ = 11060676720000.

The previous prime is 22212001332187. The next prime is 22212001332307. The reversal of 22212001332212 is 21223310021222.

It is a happy number.

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, 9290513 + ... + 11434055.

It is an arithmetic number, because the mean of its divisors is an integer number (1626236095848).

Almost surely, 2^{22212001332212} is an apocalyptic number.

It is an amenable number.

22212001332212 is a deficient number, since it is larger than the sum of its proper divisors (16817664968140).

22212001332212 is a wasteful number, since it uses less digits than its factorization.

22212001332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154119 (or 2154117 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22212001332212 its reverse (21223310021222), we get a palindrome (43435311353434).

The spelling of 22212001332212 in words is "twenty-two trillion, two hundred twelve billion, one million, three hundred thirty-two thousand, two hundred twelve".