1612334323021 has 16 divisors (see below), whose sum is σ = 1668610342080. Its totient is φ = 1556917084800.

The previous prime is 1612334323001. The next prime is 1612334323087. The reversal of 1612334323021 is 1203234332161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1612334323021 - 2²⁷ = 1612200105293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612334323001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30210466 + ... + 30263788.

It is an arithmetic number, because the mean of its divisors is an integer number (104288146380).

Almost surely, 2^{1612334323021} is an apocalyptic number.

It is an amenable number.

1612334323021 is a deficient number, since it is larger than the sum of its proper divisors (56276019059).

1612334323021 is an equidigital number, since it uses as much as digits as its factorization.

1612334323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61356.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1612334323021 its reverse (1203234332161), we get a palindrome (2815568655182).

The spelling of 1612334323021 in words is "one trillion, six hundred twelve billion, three hundred thirty-four million, three hundred twenty-three thousand, twenty-one".