200124344421 has 24 divisors (see below), whose sum is σ = 290961949824. Its totient is φ = 132542635680.

The previous prime is 200124344383. The next prime is 200124344429. The reversal of 200124344421 is 124443421002.

200124344421 is a `hidden beast` number, since 200 + 1 + 2 + 4 + 34 + 4 + 421 = 666.

It is not a de Polignac number, because 200124344421 - 2¹³ = 200124336229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200124344429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11621800 + ... + 11639006.

It is an arithmetic number, because the mean of its divisors is an integer number (12123414576).

Almost surely, 2^200124344421 is an apocalyptic number.

It is an amenable number.

200124344421 is a deficient number, since it is larger than the sum of its proper divisors (90837605403).

200124344421 is a wasteful number, since it uses less digits than its factorization.

200124344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25601 (or 25598 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 200124344421 its reverse (124443421002), we get a palindrome (324567765423).

The spelling of 200124344421 in words is "two hundred billion, one hundred twenty-four million, three hundred forty-four thousand, four hundred twenty-one".