10212220005 has 64 divisors (see below), whose sum is σ = 17897967360. Its totient is φ = 4942080000.

The previous prime is 10212220003. The next prime is 10212220009. The reversal of 10212220005 is 50002221201.

It is not a de Polignac number, because 10212220005 - 2¹ = 10212220003 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212220003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3139630 + ... + 3142880.

It is an arithmetic number, because the mean of its divisors is an integer number (279655740).

Almost surely, 2^10212220005 is an apocalyptic number.

10212220005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212220005 is a deficient number, since it is larger than the sum of its proper divisors (7685747355).

10212220005 is a wasteful number, since it uses less digits than its factorization.

10212220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 10212220005 its reverse (50002221201), we get a palindrome (60214441206).

The spelling of 10212220005 in words is "ten billion, two hundred twelve million, two hundred twenty thousand, five".