10212230340 has 72 divisors (see below), whose sum is σ = 33359960088. Its totient is φ = 2513779200.

The previous prime is 10212230311. The next prime is 10212230407. The reversal of 10212230340 is 4303221201.

10212230340 is a `hidden beast` number, since 102 + 1 + 223 + 0 + 340 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 199826496 + 10012403844 = 14136^2 + 100062^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2179761 + ... + 2184440.

It is an arithmetic number, because the mean of its divisors is an integer number (463332779).

Almost surely, 2^10212230340 is an apocalyptic number.

10212230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212230340 is an abundant number, since it is smaller than the sum of its proper divisors (23147729748).

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

10212230340 is a wasteful number, since it uses less digits than its factorization.

10212230340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364229 (or 4364224 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10212230340 its reverse (4303221201), we get a palindrome (14515451541).

The spelling of 10212230340 in words is "ten billion, two hundred twelve million, two hundred thirty thousand, three hundred forty".