120103131012 has 12 divisors (see below), whose sum is σ = 280240639056. Its totient is φ = 40034377000.

The previous prime is 120103130981. The next prime is 120103131013. The reversal of 120103131012 is 210131301021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×120103131012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120103130982 and 120103131000.

It is not an unprimeable number, because it can be changed into a prime (120103131013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004297114 + ... + 5004297137.

It is an arithmetic number, because the mean of its divisors is an integer number (23353386588).

Almost surely, 2^120103131012 is an apocalyptic number.

120103131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120103131012 is an abundant number, since it is smaller than the sum of its proper divisors (160137508044).

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

120103131012 is a wasteful number, since it uses less digits than its factorization.

120103131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008594258 (or 10008594256 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120103131012 its reverse (210131301021), we get a palindrome (330234432033).

The spelling of 120103131012 in words is "one hundred twenty billion, one hundred three million, one hundred thirty-one thousand, twelve".