212472101 has 8 divisors (see below), whose sum is σ = 218092800. Its totient is φ = 206897328.

The previous prime is 212472083. The next prime is 212472119. The reversal of 212472101 is 101274212.

It is an interprime number because it is at equal distance from previous prime (212472083) and next prime (212472119).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212472101 - 2⁶ = 212472037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212472151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (27261600).

Almost surely, 2^212472101 is an apocalyptic number.

It is an amenable number.

212472101 is a deficient number, since it is larger than the sum of its proper divisors (5620699).

212472101 is a wasteful number, since it uses less digits than its factorization.

212472101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22963.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 212472101 is about 14576.4227778972. The cubic root of 212472101 is about 596.7154795363.

The spelling of 212472101 in words is "two hundred twelve million, four hundred seventy-two thousand, one hundred one".