12764738485720 has 32 divisors (see below), whose sum is σ = 30929943255120. Its totient is φ = 4713134209920.

The previous prime is 12764738485717. The next prime is 12764738485747. The reversal of 12764738485720 is 2758483746721.

It is a happy number.

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, 12273786486 + ... + 12273787525.

Almost surely, 2^{12764738485720} is an apocalyptic number.

12764738485720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12764738485720 is an abundant number, since it is smaller than the sum of its proper divisors (18165204769400).

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

12764738485720 is a wasteful number, since it uses less digits than its factorization.

12764738485720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24547574035 (or 24547574031 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 64.

The spelling of 12764738485720 in words is "twelve trillion, seven hundred sixty-four billion, seven hundred thirty-eight million, four hundred eighty-five thousand, seven hundred twenty".