10423521205212 has 48 divisors (see below), whose sum is σ = 24329817292032. Its totient is φ = 3473326197120.

The previous prime is 10423521205189. The next prime is 10423521205217. The reversal of 10423521205212 is 21250212532401.

It is a self number, because there is not a number n which added to its sum of digits gives 10423521205212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423521205217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767726968 + ... + 767740544.

It is an arithmetic number, because the mean of its divisors is an integer number (506871193584).

Almost surely, 2^{10423521205212} is an apocalyptic number.

10423521205212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10423521205212 is an abundant number, since it is smaller than the sum of its proper divisors (13906296086820).

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

10423521205212 is a wasteful number, since it uses less digits than its factorization.

10423521205212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30618 (or 30616 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 10423521205212 its reverse (21250212532401), we get a palindrome (31673733737613).

The spelling of 10423521205212 in words is "ten trillion, four hundred twenty-three billion, five hundred twenty-one million, two hundred five thousand, two hundred twelve".