120212044009 has 2 divisors, whose sum is σ = 120212044010. Its totient is φ = 120212044008.

The previous prime is 120212043983. The next prime is 120212044027. The reversal of 120212044009 is 900440212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105212653225 + 14999390784 = 324365^2 + 122472^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212044009 - 2⁷ = 120212043881 is a prime.

It is not a weakly prime, because it can be changed into another prime (120212044049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106022004 + 60106022005.

It is an arithmetic number, because the mean of its divisors is an integer number (60106022005).

Almost surely, 2^120212044009 is an apocalyptic number.

It is an amenable number.

120212044009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212044009 is an equidigital number, since it uses as much as digits as its factorization.

120212044009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 120212044009 in words is "one hundred twenty billion, two hundred twelve million, forty-four thousand, nine".