122201231231 has 32 divisors (see below), whose sum is σ = 135471052800. Its totient is φ = 109778855040.

The previous prime is 122201231203. The next prime is 122201231239. The reversal of 122201231231 is 132132102221.

It is not a de Polignac number, because 122201231231 - 2²⁶ = 122134122367 is a prime.

It is a super-2 number, since 2×122201231231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201231239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11010521 + ... + 11021613.

It is an arithmetic number, because the mean of its divisors is an integer number (4233470400).

Almost surely, 2^122201231231 is an apocalyptic number.

122201231231 is a deficient number, since it is larger than the sum of its proper divisors (13269821569).

122201231231 is a wasteful number, since it uses less digits than its factorization.

122201231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11519.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122201231231 its reverse (132132102221), we get a palindrome (254333333452).

The spelling of 122201231231 in words is "one hundred twenty-two billion, two hundred one million, two hundred thirty-one thousand, two hundred thirty-one".