2143468643412 has 48 divisors (see below), whose sum is σ = 5239187275392. Its totient is φ = 680765521920.

The previous prime is 2143468643411. The next prime is 2143468643431.

2143468643412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2143468643412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143468643411) 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, 15038389 + ... + 15180252.

It is an arithmetic number, because the mean of its divisors is an integer number (109149734904).

Almost surely, 2^{2143468643412} is an apocalyptic number.

It is an amenable number.

2143468643412 is an abundant number, since it is smaller than the sum of its proper divisors (3095718631980).

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

2143468643412 is a wasteful number, since it uses less digits than its factorization.

2143468643412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218928 (or 30218926 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 48.

The spelling of 2143468643412 in words is "two trillion, one hundred forty-three billion, four hundred sixty-eight million, six hundred forty-three thousand, four hundred twelve".