120123013012 has 6 divisors (see below), whose sum is σ = 210215272778. Its totient is φ = 60061506504.

The previous prime is 120123013001. The next prime is 120123013057. The reversal of 120123013012 is 210310321021.

It can be written as a sum of positive squares in only one way, i.e., 112871809296 + 7251203716 = 335964^2 + 85154^2 .

It is a super-2 number, since 2×120123013012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015376623 + ... + 15015376630.

Almost surely, 2^120123013012 is an apocalyptic number.

It is an amenable number.

120123013012 is a deficient number, since it is larger than the sum of its proper divisors (90092259766).

120123013012 is a wasteful number, since it uses less digits than its factorization.

120123013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30030753257 (or 30030753255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120123013012 its reverse (210310321021), we get a palindrome (330433334033).

The spelling of 120123013012 in words is "one hundred twenty billion, one hundred twenty-three million, thirteen thousand, twelve".