20222212212212 has 24 divisors (see below), whose sum is σ = 37471436226504. Its totient is φ = 9516115085312.

The previous prime is 20222212212199. The next prime is 20222212212227. The reversal of 20222212212212 is 21221221222202.

It can be written as a sum of positive squares in 4 ways, for example, as 4442298120976 + 15779914091236 = 2107676^2 + 3972394^2 .

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, 457733 + ... + 6376044.

It is an arithmetic number, because the mean of its divisors is an integer number (1561309842771).

Almost surely, 2^{20222212212212} is an apocalyptic number.

It is an amenable number.

20222212212212 is a deficient number, since it is larger than the sum of its proper divisors (17249224014292).

20222212212212 is a wasteful number, since it uses less digits than its factorization.

20222212212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877315 (or 6877313 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20222212212212 its reverse (21221221222202), we get a palindrome (41443433434414).

The spelling of 20222212212212 in words is "twenty trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".