2064123021372 has 24 divisors (see below), whose sum is σ = 4819229238096. Its totient is φ = 687620694528.

The previous prime is 2064123021349. The next prime is 2064123021397. The reversal of 2064123021372 is 2731203214602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52518613 + ... + 52557900.

It is an arithmetic number, because the mean of its divisors is an integer number (200801218254).

Almost surely, 2^{2064123021372} is an apocalyptic number.

It is an amenable number.

2064123021372 is an abundant number, since it is smaller than the sum of its proper divisors (2755106216724).

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

2064123021372 is a wasteful number, since it uses less digits than its factorization.

2064123021372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105078157 (or 105078155 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 2064123021372 its reverse (2731203214602), we get a palindrome (4795326235974).

The spelling of 2064123021372 in words is "two trillion, sixty-four billion, one hundred twenty-three million, twenty-one thousand, three hundred seventy-two".