195021412 has 6 divisors (see below), whose sum is σ = 341287478. Its totient is φ = 97510704.

The previous prime is 195021353. The next prime is 195021419. The reversal of 195021412 is 214120591.

It is a happy number.

195021412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 174081636 + 20939776 = 13194^2 + 4576^2 .

It is a super-2 number, since 2×195021412² = 76066702276947488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195021419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24377673 + ... + 24377680.

Almost surely, 2^195021412 is an apocalyptic number.

It is an amenable number.

195021412 is a deficient number, since it is larger than the sum of its proper divisors (146266066).

195021412 is a wasteful number, since it uses less digits than its factorization.

195021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48755357 (or 48755355 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 195021412 is about 13965.0066953081. The cubic root of 195021412 is about 579.9102239167.

The spelling of 195021412 in words is "one hundred ninety-five million, twenty-one thousand, four hundred twelve".