30202124021 has 8 divisors (see below), whose sum is σ = 31538246400. Its totient is φ = 28867917232.

The previous prime is 30202124009. The next prime is 30202124023. The reversal of 30202124021 is 12042120203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30202124021 - 2²² = 30197929717 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 (30202124023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446621 + ... + 509778.

It is an arithmetic number, because the mean of its divisors is an integer number (3942280800).

Almost surely, 2^30202124021 is an apocalyptic number.

It is an amenable number.

30202124021 is a deficient number, since it is larger than the sum of its proper divisors (1336122379).

30202124021 is a wasteful number, since it uses less digits than its factorization.

30202124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957795.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30202124021 its reverse (12042120203), we get a palindrome (42244244224).

The spelling of 30202124021 in words is "thirty billion, two hundred two million, one hundred twenty-four thousand, twenty-one".