12276021076 has 24 divisors (see below), whose sum is σ = 23539301856. Its totient is φ = 5555423520.

The previous prime is 12276021073. The next prime is 12276021089. The reversal of 12276021076 is 67012067221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276021073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604551 + ... + 624526.

It is an arithmetic number, because the mean of its divisors is an integer number (980804244).

Almost surely, 2^12276021076 is an apocalyptic number.

It is an amenable number.

12276021076 is a deficient number, since it is larger than the sum of its proper divisors (11263280780).

12276021076 is a wasteful number, since it uses less digits than its factorization.

12276021076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229319 (or 1229317 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 12276021076 its reverse (67012067221), we get a palindrome (79288088297).

The spelling of 12276021076 in words is "twelve billion, two hundred seventy-six million, twenty-one thousand, seventy-six".