122322320123212 has 48 divisors (see below), whose sum is σ = 236499741918720. Its totient is φ = 54892761768000.

The previous prime is 122322320123173. The next prime is 122322320123219. The reversal of 122322320123212 is 212321023223221.

It is a super-2 number, since 2×122322320123212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122322320123219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41327883 + ... + 44188669.

It is an arithmetic number, because the mean of its divisors is an integer number (4927077956640).

Almost surely, 2^{122322320123212} is an apocalyptic number.

It is an amenable number.

122322320123212 is a deficient number, since it is larger than the sum of its proper divisors (114177421795508).

122322320123212 is a wasteful number, since it uses less digits than its factorization.

122322320123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873182 (or 2873180 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 122322320123212 its reverse (212321023223221), we get a palindrome (334643343346433).

The spelling of 122322320123212 in words is "one hundred twenty-two trillion, three hundred twenty-two billion, three hundred twenty million, one hundred twenty-three thousand, two hundred twelve".