101442212 has 24 divisors (see below), whose sum is σ = 182775096. Its totient is φ = 49241088.

The previous prime is 101442161. The next prime is 101442217. The reversal of 101442212 is 212244101.

It can be written as a sum of positive squares in 4 ways, for example, as 14318656 + 87123556 = 3784^2 + 9334^2 .

It is not an unprimeable number, because it can be changed into a prime (101442217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18098 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (7615629).

Almost surely, 2^101442212 is an apocalyptic number.

It is an amenable number.

101442212 is a deficient number, since it is larger than the sum of its proper divisors (81332884).

101442212 is a wasteful number, since it uses less digits than its factorization.

101442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 101442212 is about 10071.8524611910. The cubic root of 101442212 is about 466.3796264295.

Adding to 101442212 its reverse (212244101), we get a palindrome (313686313).

The spelling of 101442212 in words is "one hundred one million, four hundred forty-two thousand, two hundred twelve".