30122020001 has 4 divisors (see below), whose sum is σ = 30279727104. Its totient is φ = 29964312900.

The previous prime is 30122019937. The next prime is 30122020009. The reversal of 30122020001 is 10002022103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30122020001 - 2⁶ = 30122019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122020009) 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, 78853265 + ... + 78853646.

It is an arithmetic number, because the mean of its divisors is an integer number (7569931776).

Almost surely, 2^30122020001 is an apocalyptic number.

It is an amenable number.

30122020001 is a deficient number, since it is larger than the sum of its proper divisors (157707103).

30122020001 is a wasteful number, since it uses less digits than its factorization.

30122020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157707102.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30122020001 its reverse (10002022103), we get a palindrome (40124042104).

The spelling of 30122020001 in words is "thirty billion, one hundred twenty-two million, twenty thousand, one".