135531351210212 has 12 divisors (see below), whose sum is σ = 237181819961856. Its totient is φ = 67765116935400.

The previous prime is 135531351210191. The next prime is 135531351210433. The reversal of 135531351210212 is 212012153135531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139121348 + ... + 140092155.

It is an arithmetic number, because the mean of its divisors is an integer number (19765151663488).

Almost surely, 2^{135531351210212} is an apocalyptic number.

It is an amenable number.

135531351210212 is a deficient number, since it is larger than the sum of its proper divisors (101650468751644).

135531351210212 is a wasteful number, since it uses less digits than its factorization.

135531351210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279334858 (or 279334856 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 135531351210212 in words is "one hundred thirty-five trillion, five hundred thirty-one billion, three hundred fifty-one million, two hundred ten thousand, two hundred twelve".