197211190282 has 4 divisors (see below), whose sum is σ = 295816785426. Its totient is φ = 98605595140.

The previous prime is 197211190261. The next prime is 197211190283. The reversal of 197211190282 is 282091112791.

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., 164341862881 + 32869327401 = 405391^2 + 181299^2 .

It is a super-2 number, since 2×197211190282² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197211190283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49302797569 + ... + 49302797572.

Almost surely, 2^197211190282 is an apocalyptic number.

197211190282 is a deficient number, since it is larger than the sum of its proper divisors (98605595144).

197211190282 is an equidigital number, since it uses as much as digits as its factorization.

197211190282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98605595143.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 197211190282 in words is "one hundred ninety-seven billion, two hundred eleven million, one hundred ninety thousand, two hundred eighty-two".