200421122124430 has 16 divisors (see below), whose sum is σ = 361847923213104. Its totient is φ = 79926248096640.

The previous prime is 200421122124427. The next prime is 200421122124449. The reversal of 200421122124430 is 34421221124002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30275090667 + ... + 30275097286.

It is an arithmetic number, because the mean of its divisors is an integer number (22615495200819).

Almost surely, 2^{200421122124430} is an apocalyptic number.

200421122124430 is a deficient number, since it is larger than the sum of its proper divisors (161426801088674).

200421122124430 is a wasteful number, since it uses less digits than its factorization.

200421122124430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60550188291.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 200421122124430 its reverse (34421221124002), we get a palindrome (234842343248432).

The spelling of 200421122124430 in words is "two hundred trillion, four hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-four thousand, four hundred thirty".