197021412 has 72 divisors (see below), whose sum is σ = 599144000. Its totient is φ = 53327808.

The previous prime is 197021401. The next prime is 197021417. The reversal of 197021412 is 214120791.

It is not an unprimeable number, because it can be changed into a prime (197021417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15787 + ... + 25362.

Almost surely, 2^197021412 is an apocalyptic number.

197021412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197021412 is an abundant number, since it is smaller than the sum of its proper divisors (402122588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197021412 is a wasteful number, since it uses less digits than its factorization.

197021412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41185 (or 41180 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 197021412 is about 14036.4315978100. The cubic root of 197021412 is about 581.8858670161.

The spelling of 197021412 in words is "one hundred ninety-seven million, twenty-one thousand, four hundred twelve".