122330302421 has 4 divisors (see below), whose sum is σ = 122451063852. Its totient is φ = 122209540992.

The previous prime is 122330302387. The next prime is 122330302429. The reversal of 122330302421 is 124203033221.

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 33994140625 + 88336161796 = 184375^2 + 297214^2 .

It is a cyclic number.

It is not a de Polignac number, because 122330302421 - 2²⁶ = 122263193557 is a prime.

It is a super-2 number, since 2×122330302421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122330302429) 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, 60379196 + ... + 60381221.

It is an arithmetic number, because the mean of its divisors is an integer number (30612765963).

Almost surely, 2^122330302421 is an apocalyptic number.

It is an amenable number.

122330302421 is a deficient number, since it is larger than the sum of its proper divisors (120761431).

122330302421 is a wasteful number, since it uses less digits than its factorization.

122330302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120761430.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122330302421 its reverse (124203033221), we get a palindrome (246533335642).

The spelling of 122330302421 in words is "one hundred twenty-two billion, three hundred thirty million, three hundred two thousand, four hundred twenty-one".