103112212101200 has 30 divisors (see below), whose sum is σ = 247727089574094. Its totient is φ = 41244884840320.

The previous prime is 103112212101149. The next prime is 103112212101209. The reversal of 103112212101200 is 2101212211301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5641138011664 + 97471074089536 = 2375108^2 + 9872744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112212101209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128890264727 + ... + 128890265526.

Almost surely, 2^{103112212101200} is an apocalyptic number.

103112212101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112212101200 is an abundant number, since it is smaller than the sum of its proper divisors (144614877472894).

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

103112212101200 is a wasteful number, since it uses less digits than its factorization.

103112212101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257780530271 (or 257780530260 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 103112212101200 its reverse (2101212211301), we get a palindrome (105213424312501).

The spelling of 103112212101200 in words is "one hundred three trillion, one hundred twelve billion, two hundred twelve million, one hundred one thousand, two hundred".