12722150155 has 48 divisors (see below), whose sum is σ = 18079316640. Its totient is φ = 8519347200.

The previous prime is 12722150153. The next prime is 12722150249. The reversal of 12722150155 is 55105122721.

It is a happy number.

It is not a de Polignac number, because 12722150155 - 2¹ = 12722150153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12722150153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4283511 + ... + 4286479.

It is an arithmetic number, because the mean of its divisors is an integer number (376652430).

Almost surely, 2^12722150155 is an apocalyptic number.

12722150155 is a deficient number, since it is larger than the sum of its proper divisors (5357166485).

12722150155 is a wasteful number, since it uses less digits than its factorization.

12722150155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

Adding to 12722150155 its reverse (55105122721), we get a palindrome (67827272876).

The spelling of 12722150155 in words is "twelve billion, seven hundred twenty-two million, one hundred fifty thousand, one hundred fifty-five".