13420432212 has 96 divisors (see below), whose sum is σ = 34738357248. Its totient is φ = 3998400000.

The previous prime is 13420432211. The next prime is 13420432229. The reversal of 13420432212 is 21223402431.

It is a happy number.

It is a super-3 number, since 3×13420432212³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420432211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3756387 + ... + 3759957.

It is an arithmetic number, because the mean of its divisors is an integer number (361857888).

Almost surely, 2^13420432212 is an apocalyptic number.

13420432212 is a gapful number since it is divisible by the number (12) 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 13420432212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17369178624).

13420432212 is an abundant number, since it is smaller than the sum of its proper divisors (21317925036).

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

13420432212 is a wasteful number, since it uses less digits than its factorization.

13420432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13420432212 its reverse (21223402431), we get a palindrome (34643834643).

The spelling of 13420432212 in words is "thirteen billion, four hundred twenty million, four hundred thirty-two thousand, two hundred twelve".