405135210120112 has 20 divisors (see below), whose sum is σ = 799759836960480. Its totient is φ = 198745574775488.

The previous prime is 405135210120073. The next prime is 405135210120119. The reversal of 405135210120112 is 211021012531504.

It is not an unprimeable number, because it can be changed into a prime (405135210120119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238876891912 + ... + 238876893607.

It is an arithmetic number, because the mean of its divisors is an integer number (39987991848024).

Almost surely, 2^{405135210120112} is an apocalyptic number.

It is an amenable number.

405135210120112 is a deficient number, since it is larger than the sum of its proper divisors (394624626840368).

405135210120112 is a wasteful number, since it uses less digits than its factorization.

405135210120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477753785580 (or 477753785574 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 405135210120112 its reverse (211021012531504), we get a palindrome (616156222651616).

The spelling of 405135210120112 in words is "four hundred five trillion, one hundred thirty-five billion, two hundred ten million, one hundred twenty thousand, one hundred twelve".