12612012361 has 16 divisors (see below), whose sum is σ = 13856002048. Its totient is φ = 11408558400.

The previous prime is 12612012331. The next prime is 12612012401. The reversal of 12612012361 is 16321021621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12612012361 - 2⁹ = 12612011849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12612012331) 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, 185560 + ... + 244246.

It is an arithmetic number, because the mean of its divisors is an integer number (866000128).

Almost surely, 2^12612012361 is an apocalyptic number.

It is an amenable number.

12612012361 is a deficient number, since it is larger than the sum of its proper divisors (1243989687).

12612012361 is a wasteful number, since it uses less digits than its factorization.

12612012361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59032.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 12612012361 its reverse (16321021621), we get a palindrome (28933033982).

The spelling of 12612012361 in words is "twelve billion, six hundred twelve million, twelve thousand, three hundred sixty-one".