30121132033 has 8 divisors (see below), whose sum is σ = 30193100136. Its totient is φ = 30049219200.

The previous prime is 30121132009. The next prime is 30121132039. The reversal of 30121132033 is 33023112103.

It can be written as a sum of positive squares in 4 ways, for example, as 539539984 + 29581592049 = 23228^2 + 171993^2 .

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 30121132033 - 2⁵ = 30121132001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30121132033.

It is not an unprimeable number, because it can be changed into a prime (30121132039) 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, 1203103 + ... + 1227883.

It is an arithmetic number, because the mean of its divisors is an integer number (3774137517).

It is a Proth number, since it is equal to 114903 ⋅ 2¹⁸ + 1 and 114903 < 2¹⁸.

Almost surely, 2^30121132033 is an apocalyptic number.

It is an amenable number.

30121132033 is a deficient number, since it is larger than the sum of its proper divisors (71968103).

30121132033 is a wasteful number, since it uses less digits than its factorization.

30121132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27635.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30121132033 its reverse (33023112103), we get a palindrome (63144244136).

The spelling of 30121132033 in words is "thirty billion, one hundred twenty-one million, one hundred thirty-two thousand, thirty-three".