135555105212 has 12 divisors (see below), whose sum is σ = 237227621736. Its totient is φ = 67775784720.

The previous prime is 135555105211. The next prime is 135555105229. The reversal of 135555105212 is 212501555531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555105211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261239 + ... + 582542.

It is an arithmetic number, because the mean of its divisors is an integer number (19768968478).

Almost surely, 2^135555105212 is an apocalyptic number.

It is an amenable number.

135555105212 is a deficient number, since it is larger than the sum of its proper divisors (101672516524).

135555105212 is a wasteful number, since it uses less digits than its factorization.

135555105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883948 (or 883946 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 135555105212 in words is "one hundred thirty-five billion, five hundred fifty-five million, one hundred five thousand, two hundred twelve".