43100012100 has 36 divisors (see below), whose sum is σ = 124702702544. Its totient is φ = 11493336480.

The previous prime is 43100012089. The next prime is 43100012143. The reversal of 43100012100 is 121000134.

It is a happy number.

43100012100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43100012100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71833054 + ... + 71833653.

Almost surely, 2^43100012100 is an apocalyptic number.

It is an amenable number.

43100012100 is an abundant number, since it is smaller than the sum of its proper divisors (81602690444).

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

43100012100 is a wasteful number, since it uses less digits than its factorization.

43100012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143666724 (or 143666717 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 43100012100 its reverse (121000134), we get a palindrome (43221012234).

The spelling of 43100012100 in words is "forty-three billion, one hundred million, twelve thousand, one hundred".