1612201204 has 48 divisors (see below), whose sum is σ = 2909684736. Its totient is φ = 781401600.

The previous prime is 1612201181. The next prime is 1612201231. The reversal of 1612201204 is 4021022161.

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 15 ways as a sum of consecutive naturals, for example, 7640659 + ... + 7640869.

It is an arithmetic number, because the mean of its divisors is an integer number (60618432).

Almost surely, 2^1612201204 is an apocalyptic number.

It is an amenable number.

1612201204 is a deficient number, since it is larger than the sum of its proper divisors (1297483532).

1612201204 is a wasteful number, since it uses less digits than its factorization.

1612201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1612201204 is about 40152.2253928721. The cubic root of 1612201204 is about 1172.5726146489.

Adding to 1612201204 its reverse (4021022161), we get a palindrome (5633223365).

The spelling of 1612201204 in words is "one billion, six hundred twelve million, two hundred one thousand, two hundred four".