1612504204112 has 20 divisors (see below), whose sum is σ = 3200427552756. Its totient is φ = 786587416320.

The previous prime is 1612504204111. The next prime is 1612504204123. The reversal of 1612504204112 is 2114024052161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 946915825216 + 665588378896 = 973096^2 + 815836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612504204111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229042183 + ... + 1229043494.

Almost surely, 2^{1612504204112} is an apocalyptic number.

It is an amenable number.

1612504204112 is a deficient number, since it is larger than the sum of its proper divisors (1587923348644).

1612504204112 is a wasteful number, since it uses less digits than its factorization.

1612504204112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458085726 (or 2458085720 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1612504204112 its reverse (2114024052161), we get a palindrome (3726528256273).

The spelling of 1612504204112 in words is "one trillion, six hundred twelve billion, five hundred four million, two hundred four thousand, one hundred twelve".