212012300194 has 4 divisors (see below), whose sum is σ = 318018450294. Its totient is φ = 106006150096.

The previous prime is 212012300189. The next prime is 212012300207. The reversal of 212012300194 is 491003210212.

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., 180826506169 + 31185794025 = 425237^2 + 176595^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53003075047 + ... + 53003075050.

Almost surely, 2^212012300194 is an apocalyptic number.

212012300194 is a deficient number, since it is larger than the sum of its proper divisors (106006150100).

212012300194 is a wasteful number, since it uses less digits than its factorization.

212012300194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106006150099.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 212012300194 in words is "two hundred twelve billion, twelve million, three hundred thousand, one hundred ninety-four".