126220202005 has 32 divisors (see below), whose sum is σ = 164292758784. Its totient is φ = 92719205376.

The previous prime is 126220201931. The next prime is 126220202021. The reversal of 126220202005 is 500202022621.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126220202005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3222519 + ... + 3261451.

It is an arithmetic number, because the mean of its divisors is an integer number (5134148712).

Almost surely, 2^126220202005 is an apocalyptic number.

It is an amenable number.

126220202005 is a deficient number, since it is larger than the sum of its proper divisors (38072556779).

126220202005 is a wasteful number, since it uses less digits than its factorization.

126220202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39885.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 126220202005 its reverse (500202022621), we get a palindrome (626422224626).

The spelling of 126220202005 in words is "one hundred twenty-six billion, two hundred twenty million, two hundred two thousand, five".