12819620338 has 16 divisors (see below), whose sum is σ = 23269227264. Its totient is φ = 5170939200.

The previous prime is 12819620329. The next prime is 12819620351. The reversal of 12819620338 is 83302691821.

It is a super-2 number, since 2×12819620338² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12819620294 and 12819620303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26931738 + ... + 26932213.

It is an arithmetic number, because the mean of its divisors is an integer number (1454326704).

Almost surely, 2^12819620338 is an apocalyptic number.

12819620338 is a deficient number, since it is larger than the sum of its proper divisors (10449606926).

12819620338 is a wasteful number, since it uses less digits than its factorization.

12819620338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53863977.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 12819620338 in words is "twelve billion, eight hundred nineteen million, six hundred twenty thousand, three hundred thirty-eight".