12146763720 has 128 divisors (see below), whose sum is σ = 44849629440. Its totient is φ = 2562831360.

The previous prime is 12146763719. The next prime is 12146763751. The reversal of 12146763720 is 2736764121.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 545251 + ... + 567090.

It is an arithmetic number, because the mean of its divisors is an integer number (350387730).

Almost surely, 2^12146763720 is an apocalyptic number.

12146763720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12146763720 is an abundant number, since it is smaller than the sum of its proper divisors (32702865720).

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

12146763720 is a wasteful number, since it uses less digits than its factorization.

12146763720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112375 (or 1112371 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 12146763720 in words is "twelve billion, one hundred forty-six million, seven hundred sixty-three thousand, seven hundred twenty".