122130232131 has 4 divisors (see below), whose sum is σ = 162840309512. Its totient is φ = 81420154752.

The previous prime is 122130232129. The next prime is 122130232157. The reversal of 122130232131 is 131232031221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122130232131 - 2¹ = 122130232129 is a prime.

It is a super-2 number, since 2×122130232131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122130232098 and 122130232107.

It is not an unprimeable number, because it can be changed into a prime (122130232171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20355038686 + ... + 20355038691.

It is an arithmetic number, because the mean of its divisors is an integer number (40710077378).

Almost surely, 2^122130232131 is an apocalyptic number.

122130232131 is a deficient number, since it is larger than the sum of its proper divisors (40710077381).

122130232131 is an equidigital number, since it uses as much as digits as its factorization.

122130232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40710077380.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122130232131 its reverse (131232031221), we get a palindrome (253362263352).

The spelling of 122130232131 in words is "one hundred twenty-two billion, one hundred thirty million, two hundred thirty-two thousand, one hundred thirty-one".