190012213 has 8 divisors (see below), whose sum is σ = 202214232. Its totient is φ = 177924096.

The previous prime is 190012187. The next prime is 190012219. The reversal of 190012213 is 312210091.

It can be written as a sum of positive squares in 4 ways, for example, as 117983044 + 72029169 = 10862^2 + 8487^2 .

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

It is not a de Polignac number, because 190012213 - 2⁵ = 190012181 is a prime.

It is a super-2 number, since 2×190012213² = 72209282178314738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190012219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25020 + ... + 31717.

It is an arithmetic number, because the mean of its divisors is an integer number (25276779).

Almost surely, 2^190012213 is an apocalyptic number.

It is an amenable number.

190012213 is a deficient number, since it is larger than the sum of its proper divisors (12202019).

190012213 is a wasteful number, since it uses less digits than its factorization.

190012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56951.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 190012213 is about 13784.4917570435. The cubic root of 190012213 is about 574.9020253990.

The spelling of 190012213 in words is "one hundred ninety million, twelve thousand, two hundred thirteen".