100061213 has 4 divisors (see below), whose sum is σ = 114355680. Its totient is φ = 85766748.

The previous prime is 100061189. The next prime is 100061219. The reversal of 100061213 is 312160001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100061213 - 2¹² = 100057117 is a prime.

It is a super-3 number, since 3×100061213³ (a number of 25 digits) contains 333 as substring.

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 (100061219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7147223 + ... + 7147236.

It is an arithmetic number, because the mean of its divisors is an integer number (28588920).

Almost surely, 2^100061213 is an apocalyptic number.

It is an amenable number.

100061213 is a deficient number, since it is larger than the sum of its proper divisors (14294467).

100061213 is an equidigital number, since it uses as much as digits as its factorization.

100061213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14294466.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 100061213 is about 10003.0601817644. The cubic root of 100061213 is about 464.2535725690.

The spelling of 100061213 in words is "one hundred million, sixty-one thousand, two hundred thirteen".