12102860169 has 9 divisors (see below), whose sum is σ = 17482385869. Its totient is φ = 8068353420.

The previous prime is 12102860129. The next prime is 12102860171. The reversal of 12102860169 is 96106820121.

The square root of 12102860169 is 110013.

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

12102860169 is a `hidden beast` number, since 1 + 21 + 0 + 28 + 601 + 6 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 12102860169 - 2¹³ = 12102851977 is a prime.

It is a super-2 number, since 2×12102860169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102860129) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 311704 + ... + 348374.

Almost surely, 2^12102860169 is an apocalyptic number.

12102860169 is the 110013-rd square number.

12102860169 is the 55007-th centered octagonal number.

It is an amenable number.

12102860169 is a deficient number, since it is larger than the sum of its proper divisors (5379525700).

12102860169 is an frugal number, since it uses more digits than its factorization.

12102860169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73348 (or 36674 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

Multiplying 12102860169 by its sum of digits (36), we get a square (435702966084 = 660078²).

The spelling of 12102860169 in words is "twelve billion, one hundred two million, eight hundred sixty thousand, one hundred sixty-nine".