1650201012 has 30 divisors (see below), whose sum is σ = 4313952258. Its totient is φ = 550066896.

The previous prime is 1650201011. The next prime is 1650201013. The reversal of 1650201012 is 2101020561.

1650201012 is a `hidden beast` number, since 1 + 650 + 2 + 0 + 1 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (1650201011) and next prime (1650201013).

It can be written as a sum of positive squares in only one way, i.e., 1452067236 + 198133776 = 38106^2 + 14076^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2546283 + ... + 2546930.

Almost surely, 2^1650201012 is an apocalyptic number.

1650201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1650201012 is an abundant number, since it is smaller than the sum of its proper divisors (2663751246).

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

1650201012 is a wasteful number, since it uses less digits than its factorization.

1650201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093229 (or 5093218 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1650201012 is about 40622.6662345051. Note that the first 3 decimals coincide. The cubic root of 1650201012 is about 1181.7137341747.

Adding to 1650201012 its reverse (2101020561), we get a palindrome (3751221573).

The spelling of 1650201012 in words is "one billion, six hundred fifty million, two hundred one thousand, twelve".