427200369122 has 18 divisors (see below), whose sum is σ = 642704316579. Its totient is φ = 212967475200.

The previous prime is 427200369103. The next prime is 427200369131. The reversal of 427200369122 is 221963002724.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 321569519041 + 105630850081 = 567071^2 + 325009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=462169.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 555526754 + ... + 555527522.

Almost surely, 2^427200369122 is an apocalyptic number.

427200369122 is a deficient number, since it is larger than the sum of its proper divisors (215503947457).

427200369122 is an frugal number, since it uses more digits than its factorization.

427200369122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 427200369122 in words is "four hundred twenty-seven billion, two hundred million, three hundred sixty-nine thousand, one hundred twenty-two".