1612123154322 has 64 divisors (see below), whose sum is σ = 3285498464640. Its totient is φ = 527257995264.

The previous prime is 1612123154309. The next prime is 1612123154359. The reversal of 1612123154322 is 2234513212161.

It is a super-2 number, since 2×1612123154322² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218057058 + ... + 218064450.

It is an arithmetic number, because the mean of its divisors is an integer number (51335913510).

Almost surely, 2^{1612123154322} is an apocalyptic number.

1612123154322 is an abundant number, since it is smaller than the sum of its proper divisors (1673375310318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1612123154322 is a wasteful number, since it uses less digits than its factorization.

1612123154322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427.

The product of its digits is 17280, while the sum is 33.

Adding to 1612123154322 its reverse (2234513212161), we get a palindrome (3846636366483).

The spelling of 1612123154322 in words is "one trillion, six hundred twelve billion, one hundred twenty-three million, one hundred fifty-four thousand, three hundred twenty-two".