101842212 has 12 divisors (see below), whose sum is σ = 237631856. Its totient is φ = 33947400.

The previous prime is 101842199. The next prime is 101842217. The reversal of 101842212 is 212248101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101842212² = 20743672290105888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101842217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4243414 + ... + 4243437.

Almost surely, 2^101842212 is an apocalyptic number.

101842212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101842212 is an abundant number, since it is smaller than the sum of its proper divisors (135789644).

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

101842212 is a wasteful number, since it uses less digits than its factorization.

101842212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486858 (or 8486856 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 101842212 is about 10091.6902449491. The cubic root of 101842212 is about 466.9918212386.

The spelling of 101842212 in words is "one hundred one million, eight hundred forty-two thousand, two hundred twelve".