12349954851066 has 48 divisors (see below), whose sum is σ = 31910442355584. Its totient is φ = 3375142939872.

The previous prime is 12349954851061. The next prime is 12349954851077. The reversal of 12349954851066 is 66015845994321.

12349954851066 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 9 + 9 + 54 + 8 + 510 + 66 = 666.

12349954851066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 12349954850994 and 12349954851012.

It is not an unprimeable number, because it can be changed into a prime (12349954851061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2130769161 + ... + 2130774956.

It is an arithmetic number, because the mean of its divisors is an integer number (664800882408).

Almost surely, 2^{12349954851066} is an apocalyptic number.

12349954851066 is an abundant number, since it is smaller than the sum of its proper divisors (19560487504518).

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

12349954851066 is a wasteful number, since it uses less digits than its factorization.

12349954851066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261544155 (or 4261544152 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 12349954851066 in words is "twelve trillion, three hundred forty-nine billion, nine hundred fifty-four million, eight hundred fifty-one thousand, sixty-six".