103212136241 has 4 divisors (see below), whose sum is σ = 105159535092. Its totient is φ = 101264737392.

The previous prime is 103212136211. The next prime is 103212136267. The reversal of 103212136241 is 142631212301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64276953841 + 38935182400 = 253529^2 + 197320^2 .

It is a cyclic number.

It is not a de Polignac number, because 103212136241 - 2³⁰ = 102138394417 is a prime.

It is a super-2 number, since 2×103212136241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103212136241.

It is not an unprimeable number, because it can be changed into a prime (103212136201) 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, 973699346 + ... + 973699451.

It is an arithmetic number, because the mean of its divisors is an integer number (26289883773).

Almost surely, 2^103212136241 is an apocalyptic number.

It is an amenable number.

103212136241 is a deficient number, since it is larger than the sum of its proper divisors (1947398851).

103212136241 is an equidigital number, since it uses as much as digits as its factorization.

103212136241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947398850.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 103212136241 its reverse (142631212301), we get a palindrome (245843348542).

The spelling of 103212136241 in words is "one hundred three billion, two hundred twelve million, one hundred thirty-six thousand, two hundred forty-one".