120122019947 has 2 divisors, whose sum is σ = 120122019948. Its totient is φ = 120122019946.

The previous prime is 120122019943. The next prime is 120122020037. The reversal of 120122019947 is 749910221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120122019947 - 2² = 120122019943 is a prime.

It is a super-2 number, since 2×120122019947² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120122019947.

It is not a weakly prime, because it can be changed into another prime (120122019943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061009973 + 60061009974.

It is an arithmetic number, because the mean of its divisors is an integer number (60061009974).

Almost surely, 2^120122019947 is an apocalyptic number.

120122019947 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122019947 is an equidigital number, since it uses as much as digits as its factorization.

120122019947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 120122019947 in words is "one hundred twenty billion, one hundred twenty-two million, nineteen thousand, nine hundred forty-seven".