120123213203 has 6 divisors (see below), whose sum is σ = 139735166436. Its totient is φ = 102962754132.

The previous prime is 120123213187. The next prime is 120123213211. The reversal of 120123213203 is 302312321021.

It is not a de Polignac number, because 120123213203 - 2⁴ = 120123213187 is a prime.

It is a super-3 number, since 3×120123213203³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120123212203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1225747025 + ... + 1225747122.

It is an arithmetic number, because the mean of its divisors is an integer number (23289194406).

Almost surely, 2^120123213203 is an apocalyptic number.

120123213203 is a deficient number, since it is larger than the sum of its proper divisors (19611953233).

120123213203 is an equidigital number, since it uses as much as digits as its factorization.

120123213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451494161 (or 2451494154 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120123213203 its reverse (302312321021), we get a palindrome (422435534224).

The spelling of 120123213203 in words is "one hundred twenty billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred three".