10212305140 has 12 divisors (see below), whose sum is σ = 21445840836. Its totient is φ = 4084922048.

The previous prime is 10212305123. The next prime is 10212305171. The reversal of 10212305140 is 4150321201.

It can be written as a sum of positive squares in 2 ways, for example, as 1395470736 + 8816834404 = 37356^2 + 93898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255307609 + ... + 255307648.

It is an arithmetic number, because the mean of its divisors is an integer number (1787153403).

Almost surely, 2^10212305140 is an apocalyptic number.

10212305140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212305140 is an abundant number, since it is smaller than the sum of its proper divisors (11233535696).

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

10212305140 is a wasteful number, since it uses less digits than its factorization.

10212305140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510615266 (or 510615264 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10212305140 its reverse (4150321201), we get a palindrome (14362626341).

The spelling of 10212305140 in words is "ten billion, two hundred twelve million, three hundred five thousand, one hundred forty".