20343412212 has 24 divisors (see below), whose sum is σ = 47677078176. Its totient is φ = 6751263648.

The previous prime is 20343412207. The next prime is 20343412231. The reversal of 20343412212 is 21221434302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731383 + ... + 3736830.

It is an arithmetic number, because the mean of its divisors is an integer number (1986544924).

Almost surely, 2^20343412212 is an apocalyptic number.

It is an amenable number.

20343412212 is an abundant number, since it is smaller than the sum of its proper divisors (27333665964).

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

20343412212 is a wasteful number, since it uses less digits than its factorization.

20343412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468447 (or 7468445 counting only the distinct ones).

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

Adding to 20343412212 its reverse (21221434302), we get a palindrome (41564846514).

The spelling of 20343412212 in words is "twenty billion, three hundred forty-three million, four hundred twelve thousand, two hundred twelve".