30122450629421 has 4 divisors (see below), whose sum is σ = 30122474515644. Its totient is φ = 30122426743200.

The previous prime is 30122450629387. The next prime is 30122450629441. The reversal of 30122450629421 is 12492605422103.

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 5803695355396 + 24318755274025 = 2409086^2 + 4931405^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122450629421 - 2²⁶ = 30122383520557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122450629441) 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, 9939440 + ... + 12611001.

It is an arithmetic number, because the mean of its divisors is an integer number (7530618628911).

Almost surely, 2^{30122450629421} is an apocalyptic number.

It is an amenable number.

30122450629421 is a deficient number, since it is larger than the sum of its proper divisors (23886223).

30122450629421 is a wasteful number, since it uses less digits than its factorization.

30122450629421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23886222.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 30122450629421 in words is "thirty trillion, one hundred twenty-two billion, four hundred fifty million, six hundred twenty-nine thousand, four hundred twenty-one".