21412312360 has 32 divisors (see below), whose sum is σ = 48187090440. Its totient is φ = 8563256064.

The previous prime is 21412312307. The next prime is 21412312367. The reversal of 21412312360 is 6321321412.

It can be written as a sum of positive squares in 4 ways, for example, as 12369443524 + 9042868836 = 111218^2 + 95094^2 .

It is not an unprimeable number, because it can be changed into a prime (21412312367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167074 + ... + 265966.

Almost surely, 2^21412312360 is an apocalyptic number.

21412312360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21412312360 is an abundant number, since it is smaller than the sum of its proper divisors (26774778080).

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

21412312360 is a wasteful number, since it uses less digits than its factorization.

21412312360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104317 (or 104313 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21412312360 its reverse (6321321412), we get a palindrome (27733633772).

The spelling of 21412312360 in words is "twenty-one billion, four hundred twelve million, three hundred twelve thousand, three hundred sixty".