101212344 has 48 divisors (see below), whose sum is σ = 278221320. Its totient is φ = 33232320.

The previous prime is 101212343. The next prime is 101212357. The reversal of 101212344 is 443212101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5667 + ... + 15314.

Almost surely, 2^101212344 is an apocalyptic number.

It is an amenable number.

101212344 is an abundant number, since it is smaller than the sum of its proper divisors (177008976).

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

101212344 is a wasteful number, since it uses less digits than its factorization.

101212344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21060 (or 21053 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101212344 is about 10060.4345830585. The cubic root of 101212344 is about 466.0270880138.

Adding to 101212344 its reverse (443212101), we get a palindrome (544424445).

The spelling of 101212344 in words is "one hundred one million, two hundred twelve thousand, three hundred forty-four".