10212323420420 has 96 divisors (see below), whose sum is σ = 23467361904000. Its totient is φ = 3702170327040.

The previous prime is 10212323420393. The next prime is 10212323420471. The reversal of 10212323420420 is 2402432321201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212323420420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575365706 + ... + 575383454.

It is an arithmetic number, because the mean of its divisors is an integer number (244451686500).

Almost surely, 2^{10212323420420} is an apocalyptic number.

10212323420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212323420420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11733680952000).

10212323420420 is an abundant number, since it is smaller than the sum of its proper divisors (13255038483580).

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

10212323420420 is a wasteful number, since it uses less digits than its factorization.

10212323420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25653 (or 25651 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 10212323420420 its reverse (2402432321201), we get a palindrome (12614755741621).

The spelling of 10212323420420 in words is "ten trillion, two hundred twelve billion, three hundred twenty-three million, four hundred twenty thousand, four hundred twenty".