120201203123 has 8 divisors (see below), whose sum is σ = 121345618800. Its totient is φ = 119060782848.

The previous prime is 120201203113. The next prime is 120201203167. The reversal of 120201203123 is 321302102021.

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 120201203123 - 2²² = 120197008819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201203113) 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, 938378 + ... + 1058751.

It is an arithmetic number, because the mean of its divisors is an integer number (15168202350).

Almost surely, 2^120201203123 is an apocalyptic number.

120201203123 is a deficient number, since it is larger than the sum of its proper divisors (1144415677).

120201203123 is a wasteful number, since it uses less digits than its factorization.

120201203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997701.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120201203123 its reverse (321302102021), we get a palindrome (441503305144).

The spelling of 120201203123 in words is "one hundred twenty billion, two hundred one million, two hundred three thousand, one hundred twenty-three".