12619347940 has 48 divisors (see below), whose sum is σ = 27730321920. Its totient is φ = 4817975040.

The previous prime is 12619347931. The next prime is 12619347953. The reversal of 12619347940 is 4974391621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94150 + ... + 184669.

It is an arithmetic number, because the mean of its divisors is an integer number (577715040).

Almost surely, 2^12619347940 is an apocalyptic number.

12619347940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12619347940 is an abundant number, since it is smaller than the sum of its proper divisors (15110973980).

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

12619347940 is a wasteful number, since it uses less digits than its factorization.

12619347940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278932 (or 278930 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 12619347940 in words is "twelve billion, six hundred nineteen million, three hundred forty-seven thousand, nine hundred forty".