122002142213 has 6 divisors (see below), whose sum is σ = 141920859366. Its totient is φ = 104573264712.

The previous prime is 122002142189. The next prime is 122002142231. The reversal of 122002142213 is 312241200221.

It can be written as a sum of positive squares in only one way, i.e., 113244364324 + 8757777889 = 336518^2 + 93583^2 .

It is not a de Polignac number, because 122002142213 - 2⁸ = 122002141957 is a prime.

It is a super-2 number, since 2×122002142213² (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 (122002142263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1244919770 + ... + 1244919867.

It is an arithmetic number, because the mean of its divisors is an integer number (23653476561).

Almost surely, 2^122002142213 is an apocalyptic number.

It is an amenable number.

122002142213 is a deficient number, since it is larger than the sum of its proper divisors (19918717153).

122002142213 is an equidigital number, since it uses as much as digits as its factorization.

122002142213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489839651 (or 2489839644 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122002142213 its reverse (312241200221), we get a palindrome (434243342434).

The spelling of 122002142213 in words is "one hundred twenty-two billion, two million, one hundred forty-two thousand, two hundred thirteen".