103412100421 has 12 divisors (see below), whose sum is σ = 123546946188. Its totient is φ = 86243294592.

The previous prime is 103412100409. The next prime is 103412100469. The reversal of 103412100421 is 124001214301.

It can be written as a sum of positive squares in 2 ways, for example, as 51010481025 + 52401619396 = 225855^2 + 228914^2 .

It is not a de Polignac number, because 103412100421 - 2¹¹ = 103412098373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103412100521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28517796 + ... + 28521421.

It is an arithmetic number, because the mean of its divisors is an integer number (10295578849).

Almost surely, 2^103412100421 is an apocalyptic number.

It is an amenable number.

103412100421 is a deficient number, since it is larger than the sum of its proper divisors (20134845767).

103412100421 is an equidigital number, since it uses as much as digits as its factorization.

103412100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57039268 (or 57039261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103412100421 its reverse (124001214301), we get a palindrome (227413314722).

The spelling of 103412100421 in words is "one hundred three billion, four hundred twelve million, one hundred thousand, four hundred twenty-one".