12850919213 has 4 divisors (see below), whose sum is σ = 14019184608. Its totient is φ = 11682653820.

The previous prime is 12850919209. The next prime is 12850919231. The reversal of 12850919213 is 31291905821.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31291905821 = 11 ⋅2844718711.

It is a cyclic number.

It is not a de Polignac number, because 12850919213 - 2² = 12850919209 is a prime.

It is a super-2 number, since 2×12850919213² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12850919203) 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, 584132681 + ... + 584132702.

It is an arithmetic number, because the mean of its divisors is an integer number (3504796152).

Almost surely, 2^12850919213 is an apocalyptic number.

It is an amenable number.

12850919213 is a deficient number, since it is larger than the sum of its proper divisors (1168265395).

12850919213 is a wasteful number, since it uses less digits than its factorization.

12850919213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168265394.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 12850919213 in words is "twelve billion, eight hundred fifty million, nine hundred nineteen thousand, two hundred thirteen".