21412232122 has 32 divisors (see below), whose sum is σ = 35500737024. Its totient is φ = 9634310400.

The previous prime is 21412232119. The next prime is 21412232123. The reversal of 21412232122 is 22123221412.

It is a junction number, because it is equal to n+sod(n) for n = 21412232093 and 21412232102.

It is not an unprimeable number, because it can be changed into a prime (21412232123) 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, 2835672 + ... + 2843212.

It is an arithmetic number, because the mean of its divisors is an integer number (1109398032).

Almost surely, 2^21412232122 is an apocalyptic number.

21412232122 is a deficient number, since it is larger than the sum of its proper divisors (14088504902).

21412232122 is a wasteful number, since it uses less digits than its factorization.

21412232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its digits is 768, while the sum is 22.

Adding to 21412232122 its reverse (22123221412), we get a palindrome (43535453534).

The spelling of 21412232122 in words is "twenty-one billion, four hundred twelve million, two hundred thirty-two thousand, one hundred twenty-two".