101254212 has 72 divisors (see below), whose sum is σ = 269252256. Its totient is φ = 33265728.

The previous prime is 101254201. The next prime is 101254213. The reversal of 101254212 is 212452101.

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

It is not an unprimeable number, because it can be changed into a prime (101254213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70243 + ... + 71669.

Almost surely, 2^101254212 is an apocalyptic number.

101254212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101254212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134626128).

101254212 is an abundant number, since it is smaller than the sum of its proper divisors (167998044).

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

101254212 is a wasteful number, since it uses less digits than its factorization.

101254212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 101254212 is about 10062.5151925351. The cubic root of 101254212 is about 466.0913388471.

The spelling of 101254212 in words is "one hundred one million, two hundred fifty-four thousand, two hundred twelve".