235403999012 has 24 divisors (see below), whose sum is σ = 507023998656. Its totient is φ = 93126856608.

The previous prime is 235403999009. The next prime is 235403999027. The reversal of 235403999012 is 210999304532.

It is a super-2 number, since 2×235403999012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 323356778 + ... + 323357505.

It is an arithmetic number, because the mean of its divisors is an integer number (21125999944).

Almost surely, 2^235403999012 is an apocalyptic number.

It is an amenable number.

235403999012 is an abundant number, since it is smaller than the sum of its proper divisors (271619999644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235403999012 is a wasteful number, since it uses less digits than its factorization.

235403999012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646714307 (or 646714305 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 235403999012 in words is "two hundred thirty-five billion, four hundred three million, nine hundred ninety-nine thousand, twelve".