103145201255112 has 32 divisors (see below), whose sum is σ = 263859817166880. Its totient is φ = 33582158547840.

The previous prime is 103145201255101. The next prime is 103145201255137. The reversal of 103145201255112 is 211552102541301.

It is a super-2 number, since 2×103145201255112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49973449189 + ... + 49973451252.

It is an arithmetic number, because the mean of its divisors is an integer number (8245619286465).

Almost surely, 2^{103145201255112} is an apocalyptic number.

103145201255112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103145201255112 is an abundant number, since it is smaller than the sum of its proper divisors (160714615911768).

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

103145201255112 is a wasteful number, since it uses less digits than its factorization.

103145201255112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99946900493 (or 99946900489 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 103145201255112 its reverse (211552102541301), we get a palindrome (314697303796413).

The spelling of 103145201255112 in words is "one hundred three trillion, one hundred forty-five billion, two hundred one million, two hundred fifty-five thousand, one hundred twelve".