10121275506 has 32 divisors (see below), whose sum is σ = 20361377088. Its totient is φ = 3353978880.

The previous prime is 10121275481. The next prime is 10121275513. The reversal of 10121275506 is 60557212101.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917585 + ... + 2921051.

It is an arithmetic number, because the mean of its divisors is an integer number (636293034).

Almost surely, 2^10121275506 is an apocalyptic number.

10121275506 is an abundant number, since it is smaller than the sum of its proper divisors (10240101582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121275506 is a wasteful number, since it uses less digits than its factorization.

10121275506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 10121275506 its reverse (60557212101), we get a palindrome (70678487607).

The spelling of 10121275506 in words is "ten billion, one hundred twenty-one million, two hundred seventy-five thousand, five hundred six".