30012100397 has 2 divisors, whose sum is σ = 30012100398. Its totient is φ = 30012100396.

The previous prime is 30012100361. The next prime is 30012100421. The reversal of 30012100397 is 79300121003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20905978921 + 9106121476 = 144589^2 + 95426^2 .

It is an emirp because it is prime and its reverse (79300121003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30012100397 - 2²⁰ = 30011051821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30012100357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006050198 + 15006050199.

It is an arithmetic number, because the mean of its divisors is an integer number (15006050199).

Almost surely, 2^30012100397 is an apocalyptic number.

It is an amenable number.

30012100397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012100397 is an equidigital number, since it uses as much as digits as its factorization.

30012100397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The spelling of 30012100397 in words is "thirty billion, twelve million, one hundred thousand, three hundred ninety-seven".