120123012012001 has 4 divisors (see below), whose sum is σ = 120123038245012. Its totient is φ = 120122985778992.

The previous prime is 120123012011999. The next prime is 120123012012037. The reversal of 120123012012001 is 100210210321021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44833724248401 + 75289287763600 = 6695799^2 + 8676940^2 .

It is a cyclic number.

It is not a de Polignac number, because 120123012012001 - 2¹ = 120123012011999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120123012022001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250046 + ... + 16071991.

It is an arithmetic number, because the mean of its divisors is an integer number (30030759561253).

Almost surely, 2^{120123012012001} is an apocalyptic number.

It is an amenable number.

120123012012001 is a deficient number, since it is larger than the sum of its proper divisors (26233011).

120123012012001 is an equidigital number, since it uses as much as digits as its factorization.

120123012012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26233010.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120123012012001 its reverse (100210210321021), we get a palindrome (220333222333022).

The spelling of 120123012012001 in words is "one hundred twenty trillion, one hundred twenty-three billion, twelve million, twelve thousand, one".