12705121488748 has 24 divisors (see below), whose sum is σ = 23945447367072. Its totient is φ = 5863613259264.

The previous prime is 12705121488737. The next prime is 12705121488803. The reversal of 12705121488748 is 84788412150721.

It is a super-2 number, since 2×12705121488748² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12705121488692 and 12705121488701.

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, 4952965 + ... + 7066972.

It is an arithmetic number, because the mean of its divisors is an integer number (997726973628).

Almost surely, 2^{12705121488748} is an apocalyptic number.

It is an amenable number.

12705121488748 is a deficient number, since it is larger than the sum of its proper divisors (11240325878324).

12705121488748 is a wasteful number, since it uses less digits than its factorization.

12705121488748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040281 (or 12040279 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 58.

The spelling of 12705121488748 in words is "twelve trillion, seven hundred five billion, one hundred twenty-one million, four hundred eighty-eight thousand, seven hundred forty-eight".