21412200531 has 8 divisors (see below), whose sum is σ = 28560236544. Its totient is φ = 14269482440.

The previous prime is 21412200521. The next prime is 21412200533. The reversal of 21412200531 is 13500221412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21412200531 - 2¹⁹ = 21411676243 is a prime.

It is a super-2 number, since 2×21412200531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21412200498 and 21412200507.

It is not an unprimeable number, because it can be changed into a prime (21412200533) 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, 1320075 + ... + 1336196.

It is an arithmetic number, because the mean of its divisors is an integer number (3570029568).

Almost surely, 2^21412200531 is an apocalyptic number.

21412200531 is a deficient number, since it is larger than the sum of its proper divisors (7148036013).

21412200531 is a wasteful number, since it uses less digits than its factorization.

21412200531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658961.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 21412200531 its reverse (13500221412), we get a palindrome (34912421943).

The spelling of 21412200531 in words is "twenty-one billion, four hundred twelve million, two hundred thousand, five hundred thirty-one".