120231212123101 has 2 divisors, whose sum is σ = 120231212123102. Its totient is φ = 120231212123100.

The previous prime is 120231212122979. The next prime is 120231212123107. The reversal of 120231212123101 is 101321212132021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81250843905625 + 38980368217476 = 9013925^2 + 6243426^2 .

It is a cyclic number.

It is not a de Polignac number, because 120231212123101 - 2¹⁷ = 120231211992029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120231212123107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115606061550 + 60115606061551.

It is an arithmetic number, because the mean of its divisors is an integer number (60115606061551).

Almost surely, 2^{120231212123101} is an apocalyptic number.

It is an amenable number.

120231212123101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120231212123101 is an equidigital number, since it uses as much as digits as its factorization.

120231212123101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 120231212123101 its reverse (101321212132021), we get a palindrome (221552424255122).

The spelling of 120231212123101 in words is "one hundred twenty trillion, two hundred thirty-one billion, two hundred twelve million, one hundred twenty-three thousand, one hundred one".