30121132001 has 2 divisors, whose sum is σ = 30121132002. Its totient is φ = 30121132000.

The previous prime is 30121131973. The next prime is 30121132009. The reversal of 30121132001 is 10023112103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29096171776 + 1024960225 = 170576^2 + 32015^2 .

It is a cyclic number.

It is not a de Polignac number, because 30121132001 - 2²⁶ = 30054023137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30121132009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060566000 + 15060566001.

It is an arithmetic number, because the mean of its divisors is an integer number (15060566001).

Almost surely, 2^30121132001 is an apocalyptic number.

It is an amenable number.

30121132001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121132001 is an equidigital number, since it uses as much as digits as its factorization.

30121132001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30121132001 its reverse (10023112103), we get a palindrome (40144244104).

The spelling of 30121132001 in words is "thirty billion, one hundred twenty-one million, one hundred thirty-two thousand, one".