12000015823077 has 12 divisors (see below), whose sum is σ = 17339018873644. Its totient is φ = 7997397001920.

The previous prime is 12000015823067. The next prime is 12000015823091. The reversal of 12000015823077 is 77032851000021.

12000015823077 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 0 + 0 + 1 + 582 + 3 + 0 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5208774611076 + 6791241212001 = 2282274^2 + 2606001^2 .

It is not a de Polignac number, because 12000015823077 - 2¹² = 12000015818981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000015823067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217766488 + ... + 217821585.

Almost surely, 2^{12000015823077} is an apocalyptic number.

It is an amenable number.

12000015823077 is a deficient number, since it is larger than the sum of its proper divisors (5339003050567).

12000015823077 is a wasteful number, since it uses less digits than its factorization.

12000015823077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435591140 (or 435591137 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 12000015823077 its reverse (77032851000021), we get a palindrome (89032866823098).

The spelling of 12000015823077 in words is "twelve trillion, fifteen million, eight hundred twenty-three thousand, seventy-seven".