122120200121947 has 2 divisors, whose sum is σ = 122120200121948. Its totient is φ = 122120200121946.

The previous prime is 122120200121923. The next prime is 122120200122023. The reversal of 122120200121947 is 749121002021221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122120200121947 - 2³⁹ = 121570444308059 is a prime.

It is not a weakly prime, because it can be changed into another prime (122120200121147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060100060973 + 61060100060974.

It is an arithmetic number, because the mean of its divisors is an integer number (61060100060974).

Almost surely, 2^{122120200121947} is an apocalyptic number.

122120200121947 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120200121947 is an equidigital number, since it uses as much as digits as its factorization.

122120200121947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 122120200121947 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-one thousand, nine hundred forty-seven".