12120101005 has 16 divisors (see below), whose sum is σ = 14713731648. Its totient is φ = 9583600000.

The previous prime is 12120100997. The next prime is 12120101009. The reversal of 12120101005 is 50010102121.

It is not a de Polignac number, because 12120101005 - 2³ = 12120100997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120101009) 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, 127545 + ... + 201265.

It is an arithmetic number, because the mean of its divisors is an integer number (919608228).

Almost surely, 2^12120101005 is an apocalyptic number.

It is an amenable number.

12120101005 is a deficient number, since it is larger than the sum of its proper divisors (2593630643).

12120101005 is a wasteful number, since it uses less digits than its factorization.

12120101005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74108.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 12120101005 its reverse (50010102121), we get a palindrome (62130203126).

The spelling of 12120101005 in words is "twelve billion, one hundred twenty million, one hundred one thousand, five".