13202121412 has 12 divisors (see below), whose sum is σ = 23429117376. Its totient is φ = 6508087880.

The previous prime is 13202121407. The next prime is 13202121437. The reversal of 13202121412 is 21412120231.

It is a self number, because there is not a number n which added to its sum of digits gives 13202121412.

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, 23242888 + ... + 23243455.

It is an arithmetic number, because the mean of its divisors is an integer number (1952426448).

Almost surely, 2^13202121412 is an apocalyptic number.

It is an amenable number.

13202121412 is a deficient number, since it is larger than the sum of its proper divisors (10226995964).

13202121412 is a wasteful number, since it uses less digits than its factorization.

13202121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46486418 (or 46486416 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13202121412 its reverse (21412120231), we get a palindrome (34614241643).

The spelling of 13202121412 in words is "thirteen billion, two hundred two million, one hundred twenty-one thousand, four hundred twelve".