1201525012 has 12 divisors (see below), whose sum is σ = 2103638656. Its totient is φ = 600485400.

The previous prime is 1201524971. The next prime is 1201525019. The reversal of 1201525012 is 2105251021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201525019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59364 + ... + 76987.

Almost surely, 2^1201525012 is an apocalyptic number.

It is an amenable number.

1201525012 is a deficient number, since it is larger than the sum of its proper divisors (902113644).

1201525012 is a wasteful number, since it uses less digits than its factorization.

1201525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138558 (or 138556 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1201525012 is about 34663.0208146953. The cubic root of 1201525012 is about 1063.1085361433.

Adding to 1201525012 its reverse (2105251021), we get a palindrome (3306776033).

The spelling of 1201525012 in words is "one billion, two hundred one million, five hundred twenty-five thousand, twelve".