197515012 has 12 divisors (see below), whose sum is σ = 356801536. Its totient is φ = 95571720.

The previous prime is 197515001. The next prime is 197515033. The reversal of 197515012 is 210515791.

197515012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796308 + ... + 796555.

Almost surely, 2^197515012 is an apocalyptic number.

It is an amenable number.

197515012 is a deficient number, since it is larger than the sum of its proper divisors (159286524).

197515012 is a wasteful number, since it uses less digits than its factorization.

197515012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592898 (or 1592896 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 197515012 is about 14054.0034153973. The cubic root of 197515012 is about 582.3713968827.

The spelling of 197515012 in words is "one hundred ninety-seven million, five hundred fifteen thousand, twelve".