3211505206142 has 8 divisors (see below), whose sum is σ = 4817277632856. Its totient is φ = 1605745995192.

The previous prime is 3211505206121. The next prime is 3211505206183. The reversal of 3211505206142 is 2416025051123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3211505206099 and 3211505206108.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2672273 + ... + 3682940.

It is an arithmetic number, because the mean of its divisors is an integer number (602159704107).

Almost surely, 2^{3211505206142} is an apocalyptic number.

3211505206142 is a deficient number, since it is larger than the sum of its proper divisors (1605772426714).

3211505206142 is a wasteful number, since it uses less digits than its factorization.

3211505206142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607882.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 3211505206142 in words is "three trillion, two hundred eleven billion, five hundred five million, two hundred six thousand, one hundred forty-two".