122002231013 has 4 divisors (see below), whose sum is σ = 131387018028. Its totient is φ = 112617444000.

The previous prime is 122002230979. The next prime is 122002231019. The reversal of 122002231013 is 310132200221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34858010209 + 87144220804 = 186703^2 + 295202^2 .

It is a cyclic number.

It is not a de Polignac number, because 122002231013 - 2²⁶ = 121935122149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002230982 and 122002231000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002231019) 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, 4692393488 + ... + 4692393513.

It is an arithmetic number, because the mean of its divisors is an integer number (32846754507).

Almost surely, 2^122002231013 is an apocalyptic number.

122002231013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122002231013 is a deficient number, since it is larger than the sum of its proper divisors (9384787015).

122002231013 is an equidigital number, since it uses as much as digits as its factorization.

122002231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384787014.

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

Adding to 122002231013 its reverse (310132200221), we get a palindrome (432134431234).

The spelling of 122002231013 in words is "one hundred twenty-two billion, two million, two hundred thirty-one thousand, thirteen".