10121223210 has 32 divisors (see below), whose sum is σ = 27761069952. Its totient is φ = 2313422400.

The previous prime is 10121223199. The next prime is 10121223247. The reversal of 10121223210 is 1232212101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10121223210.

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, 24097941 + ... + 24098360.

It is an arithmetic number, because the mean of its divisors is an integer number (867533436).

Almost surely, 2^10121223210 is an apocalyptic number.

10121223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121223210 is an abundant number, since it is smaller than the sum of its proper divisors (17639846742).

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

10121223210 is a wasteful number, since it uses less digits than its factorization.

10121223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48196318.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10121223210 its reverse (1232212101), we get a palindrome (11353435311).

The spelling of 10121223210 in words is "ten billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred ten".