30012163501 has 4 divisors (see below), whose sum is σ = 30056495292. Its totient is φ = 29967831712.

The previous prime is 30012163499. The next prime is 30012163543. The reversal of 30012163501 is 10536121003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10536121003 = 2027 ⋅5197889.

It can be written as a sum of positive squares in 2 ways, for example, as 17372558025 + 12639605476 = 131805^2 + 112426^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012163501 - 2¹ = 30012163499 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 (30012163201) 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, 22164880 + ... + 22166233.

It is an arithmetic number, because the mean of its divisors is an integer number (7514123823).

Almost surely, 2^30012163501 is an apocalyptic number.

It is an amenable number.

30012163501 is a deficient number, since it is larger than the sum of its proper divisors (44331791).

30012163501 is an equidigital number, since it uses as much as digits as its factorization.

30012163501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44331790.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 30012163501 its reverse (10536121003), we get a palindrome (40548284504).

The spelling of 30012163501 in words is "thirty billion, twelve million, one hundred sixty-three thousand, five hundred one".