12307767061 has 16 divisors (see below), whose sum is σ = 13259225088. Its totient is φ = 11394345600.

The previous prime is 12307767037. The next prime is 12307767071. The reversal of 12307767061 is 16076770321.

It is a cyclic number.

It is not a de Polignac number, because 12307767061 - 2¹⁵ = 12307734293 is a prime.

It is a super-2 number, since 2×12307767061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12307767071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124681 + ... + 200401.

It is an arithmetic number, because the mean of its divisors is an integer number (828701568).

Almost surely, 2^12307767061 is an apocalyptic number.

It is an amenable number.

12307767061 is a deficient number, since it is larger than the sum of its proper divisors (951458027).

12307767061 is a wasteful number, since it uses less digits than its factorization.

12307767061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75972.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 12307767061 in words is "twelve billion, three hundred seven million, seven hundred sixty-seven thousand, sixty-one".