101443012 has 36 divisors (see below), whose sum is σ = 206626140. Its totient is φ = 43394560.

The previous prime is 101443003. The next prime is 101443039. The reversal of 101443012 is 210344101.

It can be written as a sum of positive squares in 2 ways, for example, as 28579716 + 72863296 = 5346^2 + 8536^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2064 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (5739615).

Almost surely, 2^101443012 is an apocalyptic number.

It is an amenable number.

101443012 is an abundant number, since it is smaller than the sum of its proper divisors (105183128).

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

101443012 is a wasteful number, since it uses less digits than its factorization.

101443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12372 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101443012 is about 10071.8921757533. The cubic root of 101443012 is about 466.3808524238.

Adding to 101443012 its reverse (210344101), we get a palindrome (311787113).

The spelling of 101443012 in words is "one hundred one million, four hundred forty-three thousand, twelve".