30213442121077 has 2 divisors, whose sum is σ = 30213442121078. Its totient is φ = 30213442121076.

The previous prime is 30213442120999. The next prime is 30213442121129. The reversal of 30213442121077 is 77012124431203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24506054228881 + 5707387892196 = 4950359^2 + 2389014^2 .

It is a cyclic number.

It is not a de Polignac number, because 30213442121077 - 2⁷ = 30213442120949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30213442121477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106721060538 + 15106721060539.

It is an arithmetic number, because the mean of its divisors is an integer number (15106721060539).

Almost surely, 2^{30213442121077} is an apocalyptic number.

It is an amenable number.

30213442121077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213442121077 is an equidigital number, since it uses as much as digits as its factorization.

30213442121077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 30213442121077 in words is "thirty trillion, two hundred thirteen billion, four hundred forty-two million, one hundred twenty-one thousand, seventy-seven".