12655251246 has 64 divisors (see below), whose sum is σ = 28586649600. Its totient is φ = 3699696000.

The previous prime is 12655251211. The next prime is 12655251263. The reversal of 12655251246 is 64215255621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3732520 + ... + 3735908.

It is an arithmetic number, because the mean of its divisors is an integer number (446666400).

Almost surely, 2^12655251246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12655251246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14293324800).

12655251246 is an abundant number, since it is smaller than the sum of its proper divisors (15931398354).

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

12655251246 is a wasteful number, since it uses less digits than its factorization.

12655251246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385.

The product of its digits is 144000, while the sum is 39.

It can be divided in two parts, 12655 and 251246, that added together give a triangular number (263901 = T₇₂₆).

The spelling of 12655251246 in words is "twelve billion, six hundred fifty-five million, two hundred fifty-one thousand, two hundred forty-six".