201210994 has 4 divisors (see below), whose sum is σ = 301816494. Its totient is φ = 100605496.

The previous prime is 201210967. The next prime is 201211009. The reversal of 201210994 is 499012102.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 200081025 + 1129969 = 14145^2 + 1063^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302747 + ... + 50302750.

Almost surely, 2^201210994 is an apocalyptic number.

201210994 is a deficient number, since it is larger than the sum of its proper divisors (100605500).

201210994 is a wasteful number, since it uses less digits than its factorization.

201210994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100605499.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 201210994 is about 14184.8861116330. The cubic root of 201210994 is about 585.9814959969.

The spelling of 201210994 in words is "two hundred one million, two hundred ten thousand, nine hundred ninety-four".