12155100706 has 32 divisors (see below), whose sum is σ = 21192179328. Its totient is φ = 5120720640.

The previous prime is 12155100703. The next prime is 12155100757. The reversal of 12155100706 is 60700155121.

It is not an unprimeable number, because it can be changed into a prime (12155100701) 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, 1775466 + ... + 1782298.

It is an arithmetic number, because the mean of its divisors is an integer number (662255604).

Almost surely, 2^12155100706 is an apocalyptic number.

12155100706 is a deficient number, since it is larger than the sum of its proper divisors (9037078622).

12155100706 is a wasteful number, since it uses less digits than its factorization.

12155100706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986.

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 12155100706 its reverse (60700155121), we get a palindrome (72855255827).

The spelling of 12155100706 in words is "twelve billion, one hundred fifty-five million, one hundred thousand, seven hundred six".