120012123321101 has 4 divisors (see below), whose sum is σ = 130922316350304. Its totient is φ = 109101930291900.

The previous prime is 120012123321089. The next prime is 120012123321113. The reversal of 120012123321101 is 101123321210021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (120012123321089) and next prime (120012123321113).

It is a cyclic number.

It is not a de Polignac number, because 120012123321101 - 2¹⁸ = 120012123058957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012123321121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455096514585 + ... + 5455096514606.

It is an arithmetic number, because the mean of its divisors is an integer number (32730579087576).

Almost surely, 2^{120012123321101} is an apocalyptic number.

120012123321101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120012123321101 is a deficient number, since it is larger than the sum of its proper divisors (10910193029203).

120012123321101 is a wasteful number, since it uses less digits than its factorization.

120012123321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910193029202.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120012123321101 its reverse (101123321210021), we get a palindrome (221135444531122).

The spelling of 120012123321101 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred one".