1201061712 has 20 divisors (see below), whose sum is σ = 3102742880. Its totient is φ = 400353888.

The previous prime is 1201061711. The next prime is 1201061717. The reversal of 1201061712 is 2171601021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201061711) 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 3 ways as a sum of consecutive naturals, for example, 12511012 + ... + 12511107.

It is an arithmetic number, because the mean of its divisors is an integer number (155137144).

Almost surely, 2^1201061712 is an apocalyptic number.

1201061712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201061712 is an abundant number, since it is smaller than the sum of its proper divisors (1901681168).

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

1201061712 is a wasteful number, since it uses less digits than its factorization.

1201061712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25022130 (or 25022124 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1201061712 is about 34656.3372559767. The cubic root of 1201061712 is about 1062.9718760655.

Adding to 1201061712 its reverse (2171601021), we get a palindrome (3372662733).

The spelling of 1201061712 in words is "one billion, two hundred one million, sixty-one thousand, seven hundred twelve".