12519299040 has 48 divisors (see below), whose sum is σ = 39435793488. Its totient is φ = 3338479616.

The previous prime is 12519298999. The next prime is 12519299057. The reversal of 12519299040 is 4099291521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12519298983 and 12519299001.

It is a congruent number.

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, 13040457 + ... + 13041416.

It is an arithmetic number, because the mean of its divisors is an integer number (821579031).

Almost surely, 2^12519299040 is an apocalyptic number.

12519299040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12519299040 is an abundant number, since it is smaller than the sum of its proper divisors (26916494448).

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

12519299040 is a wasteful number, since it uses less digits than its factorization.

12519299040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26081891 (or 26081883 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 12519299040 in words is "twelve billion, five hundred nineteen million, two hundred ninety-nine thousand, forty".