121201012200973 has 2 divisors, whose sum is σ = 121201012200974. Its totient is φ = 121201012200972.

The previous prime is 121201012200953. The next prime is 121201012201121. The reversal of 121201012200973 is 379002210102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115937484200329 + 5263528000644 = 10767427^2 + 2294238^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201012200973 - 2²¹ = 121201010103821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201012200913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600506100486 + 60600506100487.

It is an arithmetic number, because the mean of its divisors is an integer number (60600506100487).

Almost surely, 2^{121201012200973} is an apocalyptic number.

It is an amenable number.

121201012200973 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201012200973 is an equidigital number, since it uses as much as digits as its factorization.

121201012200973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 121201012200973 in words is "one hundred twenty-one trillion, two hundred one billion, twelve million, two hundred thousand, nine hundred seventy-three".