1612212542 has 8 divisors (see below), whose sum is σ = 2419230216. Its totient is φ = 805802472.

The previous prime is 1612212467. The next prime is 1612212551. The reversal of 1612212542 is 2452122161.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145208 + ... + 155915.

It is an arithmetic number, because the mean of its divisors is an integer number (302403777).

Almost surely, 2^1612212542 is an apocalyptic number.

1612212542 is a deficient number, since it is larger than the sum of its proper divisors (807017674).

1612212542 is a wasteful number, since it uses less digits than its factorization.

1612212542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303802.

The product of its digits is 1920, while the sum is 26.

The square root of 1612212542 is about 40152.3665803150. The cubic root of 1612212542 is about 1172.5753633954.

The spelling of 1612212542 in words is "one billion, six hundred twelve million, two hundred twelve thousand, five hundred forty-two".