1312120103000 has 512 divisors, whose sum is σ = 3699206184960. Its totient is φ = 426288844800.

The previous prime is 1312120102949. The next prime is 1312120103033. The reversal of 1312120103000 is 3010212131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1938138662 + ... + 1938139338.

It is an arithmetic number, because the mean of its divisors is an integer number (7225012080).

Almost surely, 2^{1312120103000} is an apocalyptic number.

1312120103000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312120103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849603092480).

1312120103000 is an abundant number, since it is smaller than the sum of its proper divisors (2387086081960).

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

1312120103000 is a wasteful number, since it uses less digits than its factorization.

1312120103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1312120103000 its reverse (3010212131), we get a palindrome (1315130315131).

The spelling of 1312120103000 in words is "one trillion, three hundred twelve billion, one hundred twenty million, one hundred three thousand".