120203223012 has 18 divisors (see below), whose sum is σ = 303847036038. Its totient is φ = 40067740992.

The previous prime is 120203222981. The next prime is 120203223043. The reversal of 120203223012 is 210322302021.

120203223012 is a `hidden beast` number, since 1 + 20 + 20 + 322 + 301 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (120203222981) and next prime (120203223043).

It can be written as a sum of positive squares in only one way, i.e., 92698327296 + 27504895716 = 304464^2 + 165846^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669489173 + ... + 1669489244.

It is an arithmetic number, because the mean of its divisors is an integer number (16880390891).

Almost surely, 2^120203223012 is an apocalyptic number.

120203223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120203223012 is an abundant number, since it is smaller than the sum of its proper divisors (183643813026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120203223012 is a wasteful number, since it uses less digits than its factorization.

120203223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338978427 (or 3338978422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120203223012 its reverse (210322302021), we get a palindrome (330525525033).

The spelling of 120203223012 in words is "one hundred twenty billion, two hundred three million, two hundred twenty-three thousand, twelve".