120012300031111 has 2 divisors, whose sum is σ = 120012300031112. Its totient is φ = 120012300031110.

The previous prime is 120012300031049. The next prime is 120012300031229. The reversal of 120012300031111 is 111130003210021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012300031111 - 2²⁷ = 120012165813383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012300037111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006150015555 + 60006150015556.

It is an arithmetic number, because the mean of its divisors is an integer number (60006150015556).

Almost surely, 2^{120012300031111} is an apocalyptic number.

120012300031111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012300031111 is an equidigital number, since it uses as much as digits as its factorization.

120012300031111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 120012300031111 its reverse (111130003210021), we get a palindrome (231142303241132).

The spelling of 120012300031111 in words is "one hundred twenty trillion, twelve billion, three hundred million, thirty-one thousand, one hundred eleven".