2143113412 has 24 divisors (see below), whose sum is σ = 4269287232. Its totient is φ = 931788000.

The previous prime is 2143113409. The next prime is 2143113431.

2143113412 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×2143113412⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057839 + ... + 1059862.

It is an arithmetic number, because the mean of its divisors is an integer number (177886968).

Almost surely, 2^2143113412 is an apocalyptic number.

2143113412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2143113412 is a deficient number, since it is larger than the sum of its proper divisors (2126173820).

2143113412 is a wasteful number, since it uses less digits than its factorization.

2143113412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117739 (or 2117737 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2143113412 is about 46293.7729289804. The cubic root of 2143113412 is about 1289.2833813993.

It can be divided in two parts, 21431 and 13412, that added together give a palindrome (34843).

The spelling of 2143113412 in words is "two billion, one hundred forty-three million, one hundred thirteen thousand, four hundred twelve".