12922194840 has 64 divisors (see below), whose sum is σ = 38834920800. Its totient is φ = 3439844352.

The previous prime is 12922194839. The next prime is 12922194851. The reversal of 12922194840 is 4849122921.

It is a junction number, because it is equal to n+sod(n) for n = 12922194792 and 12922194801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26347 + ... + 162906.

Almost surely, 2^12922194840 is an apocalyptic number.

12922194840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12922194840 is an abundant number, since it is smaller than the sum of its proper divisors (25912725960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12922194840 is a wasteful number, since it uses less digits than its factorization.

12922194840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189836 (or 189832 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 12922194840 in words is "twelve billion, nine hundred twenty-two million, one hundred ninety-four thousand, eight hundred forty".