102409126213 has 4 divisors (see below), whose sum is σ = 104588043840. Its totient is φ = 100230208588.

The previous prime is 102409126151. The next prime is 102409126217. The reversal of 102409126213 is 312621904201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102409126213 - 2²¹ = 102407029061 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 (102409126217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089458743 + ... + 1089458836.

It is an arithmetic number, because the mean of its divisors is an integer number (26147010960).

Almost surely, 2^102409126213 is an apocalyptic number.

It is an amenable number.

102409126213 is a deficient number, since it is larger than the sum of its proper divisors (2178917627).

102409126213 is an equidigital number, since it uses as much as digits as its factorization.

102409126213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178917626.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 102409126213 in words is "one hundred two billion, four hundred nine million, one hundred twenty-six thousand, two hundred thirteen".