242200135221045 has 32 divisors (see below), whose sum is σ = 397380757866624. Its totient is φ = 125893047628800.

The previous prime is 242200135221001. The next prime is 242200135221049. The reversal of 242200135221045 is 540122531002242.

It is not a de Polignac number, because 242200135221045 - 2¹³ = 242200135212853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242200135220997 and 242200135221015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242200135221049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202194472 + ... + 203388801.

It is an arithmetic number, because the mean of its divisors is an integer number (12418148683332).

Almost surely, 2^{242200135221045} is an apocalyptic number.

It is an amenable number.

242200135221045 is a deficient number, since it is larger than the sum of its proper divisors (155180622645579).

242200135221045 is a wasteful number, since it uses less digits than its factorization.

242200135221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405584293.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 242200135221045 its reverse (540122531002242), we get a palindrome (782322666223287).

The spelling of 242200135221045 in words is "two hundred forty-two trillion, two hundred billion, one hundred thirty-five million, two hundred twenty-one thousand, forty-five".