122231000231 has 4 divisors (see below), whose sum is σ = 122980883832. Its totient is φ = 121481116632.

The previous prime is 122231000201. The next prime is 122231000251. The reversal of 122231000231 is 132000132221.

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

It is a cyclic number.

It is not a de Polignac number, because 122231000231 - 2¹⁸ = 122230738087 is a prime.

It is a super-2 number, since 2×122231000231² (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 (122231000201) 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, 374941556 + ... + 374941881.

It is an arithmetic number, because the mean of its divisors is an integer number (30745220958).

Almost surely, 2^122231000231 is an apocalyptic number.

122231000231 is a deficient number, since it is larger than the sum of its proper divisors (749883601).

122231000231 is an equidigital number, since it uses as much as digits as its factorization.

122231000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749883600.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122231000231 its reverse (132000132221), we get a palindrome (254231132452).

It can be divided in two parts, 122 and 231000231, that multiplied together give a palindrome (28182028182).

The spelling of 122231000231 in words is "one hundred twenty-two billion, two hundred thirty-one million, two hundred thirty-one", and thus it is an aban number.