122321110212 has 54 divisors (see below), whose sum is σ = 359682317358. Its totient is φ = 34948888128.

The previous prime is 122321110189. The next prime is 122321110229. The reversal of 122321110212 is 212011123221.

122321110212 is a `hidden beast` number, since 1 + 22 + 321 + 110 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88123484736 + 34197625476 = 296856^2 + 184926^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34669753 + ... + 34673280.

Almost surely, 2^122321110212 is an apocalyptic number.

122321110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122321110212 is an abundant number, since it is smaller than the sum of its proper divisors (237361207146).

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

122321110212 is a wasteful number, since it uses less digits than its factorization.

122321110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69343057 (or 69343045 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122321110212 its reverse (212011123221), we get a palindrome (334332233433).

The spelling of 122321110212 in words is "one hundred twenty-two billion, three hundred twenty-one million, one hundred ten thousand, two hundred twelve".