12010653678321 has 63 divisors (see below), whose sum is σ = 18405777782793. Its totient is φ = 7833869021160.

The previous prime is 12010653678307. The next prime is 12010653678323. The reversal of 12010653678321 is 12387635601021.

It is a happy number.

The square root of 12010653678321 is 3465639.

It is a perfect power (a square), and thus also a powerful number.

12010653678321 is a `hidden beast` number, since 1 + 2 + 0 + 10 + 6 + 536 + 7 + 83 + 21 = 666.

It is not a de Polignac number, because 12010653678321 - 2⁹ = 12010653677809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12010653678323) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 4397894526 + ... + 4397897256.

Almost surely, 2^{12010653678321} is an apocalyptic number.

12010653678321 is the 3465639-th square number.

12010653678321 is the 1732820-th centered octagonal number.

It is an amenable number.

12010653678321 is a deficient number, since it is larger than the sum of its proper divisors (6395124104472).

12010653678321 is an frugal number, since it uses more digits than its factorization.

12010653678321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12010653678321 in words is "twelve trillion, ten billion, six hundred fifty-three million, six hundred seventy-eight thousand, three hundred twenty-one".