981223331112212 has 6 divisors (see below), whose sum is σ = 1717140829446378. Its totient is φ = 490611665556104.

The previous prime is 981223331112173. The next prime is 981223331112251. The reversal of 981223331112212 is 212211133322189.

It is an interprime number because it is at equal distance from previous prime (981223331112173) and next prime (981223331112251).

It can be written as a sum of positive squares in only one way, i.e., 945771857587216 + 35451473524996 = 30753404^2 + 5954114^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 981223331112212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122652916389023 + ... + 122652916389030.

It is an arithmetic number, because the mean of its divisors is an integer number (286190138241063).

Almost surely, 2^{981223331112212} is an apocalyptic number.

It is an amenable number.

981223331112212 is a deficient number, since it is larger than the sum of its proper divisors (735917498334166).

981223331112212 is a wasteful number, since it uses less digits than its factorization.

981223331112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245305832778057 (or 245305832778055 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The spelling of 981223331112212 in words is "nine hundred eighty-one trillion, two hundred twenty-three billion, three hundred thirty-one million, one hundred twelve thousand, two hundred twelve".