120012002102123 has 8 divisors (see below), whose sum is σ = 127197469744560. Its totient is φ = 112840527582720.

The previous prime is 120012002102093. The next prime is 120012002102141. The reversal of 120012002102123 is 321201200210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120012002102123 - 2²⁸ = 120011733666667 is a prime.

It is a super-2 number, since 2×120012002102123² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012002105123) 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 in 7 ways as a sum of consecutive naturals, for example, 3498263093 + ... + 3498297398.

It is an arithmetic number, because the mean of its divisors is an integer number (15899683718070).

Almost surely, 2^{120012002102123} is an apocalyptic number.

120012002102123 is a deficient number, since it is larger than the sum of its proper divisors (7185467642437).

120012002102123 is a wasteful number, since it uses less digits than its factorization.

120012002102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996561517.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120012002102123 its reverse (321201200210021), we get a palindrome (441213202312144).

The spelling of 120012002102123 in words is "one hundred twenty trillion, twelve billion, two million, one hundred two thousand, one hundred twenty-three".