122212101231 has 48 divisors (see below), whose sum is σ = 201989818368. Its totient is φ = 70532683200.

The previous prime is 122212101149. The next prime is 122212101241. The reversal of 122212101231 is 132101212221.

122212101231 is a `hidden beast` number, since 1 + 2 + 221 + 210 + 1 + 231 = 666.

It is not a de Polignac number, because 122212101231 - 2¹³ = 122212093039 is a prime.

It is a super-2 number, since 2×122212101231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212101241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182775 + ... + 527096.

It is an arithmetic number, because the mean of its divisors is an integer number (4208121216).

Almost surely, 2^122212101231 is an apocalyptic number.

122212101231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122212101231 is a deficient number, since it is larger than the sum of its proper divisors (79777717137).

122212101231 is a wasteful number, since it uses less digits than its factorization.

122212101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709972 (or 709969 counting only the distinct ones).

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

Adding to 122212101231 its reverse (132101212221), we get a palindrome (254313313452).

The spelling of 122212101231 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred one thousand, two hundred thirty-one".