196212071 has 4 divisors (see below), whose sum is σ = 214049544. Its totient is φ = 178374600.

The previous prime is 196212067. The next prime is 196212127. The reversal of 196212071 is 170212691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196212071 - 2² = 196212067 is a prime.

It is a super-2 number, since 2×196212071² = 76998353612218082, 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 (196212001) 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, 8918720 + ... + 8918741.

It is an arithmetic number, because the mean of its divisors is an integer number (53512386).

Almost surely, 2^196212071 is an apocalyptic number.

196212071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196212071 is a deficient number, since it is larger than the sum of its proper divisors (17837473).

196212071 is a wasteful number, since it uses less digits than its factorization.

196212071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17837472.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 196212071 is about 14007.5719166457. The cubic root of 196212071 is about 581.0880003924.

The spelling of 196212071 in words is "one hundred ninety-six million, two hundred twelve thousand, seventy-one".