12261160276 has 6 divisors (see below), whose sum is σ = 21457030490. Its totient is φ = 6130580136.

The previous prime is 12261160271. The next prime is 12261160279. The reversal of 12261160276 is 67206116221.

It can be written as a sum of positive squares in only one way, i.e., 12127295376 + 133864900 = 110124^2 + 11570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261160271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1532645031 + ... + 1532645038.

Almost surely, 2^12261160276 is an apocalyptic number.

It is an amenable number.

12261160276 is a deficient number, since it is larger than the sum of its proper divisors (9195870214).

12261160276 is a wasteful number, since it uses less digits than its factorization.

12261160276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065290073 (or 3065290071 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 12261160276 its reverse (67206116221), we get a palindrome (79467276497).

The spelling of 12261160276 in words is "twelve billion, two hundred sixty-one million, one hundred sixty thousand, two hundred seventy-six".