10201212012 has 12 divisors (see below), whose sum is σ = 23802828056. Its totient is φ = 3400404000.

The previous prime is 10201211989. The next prime is 10201212013. The reversal of 10201212012 is 21021210201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 850101001 = 10201212012 / (1 + 0 + 2 + 0 + 1 + 2 + 1 + 2 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (10201212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425050489 + ... + 425050512.

Almost surely, 2^10201212012 is an apocalyptic number.

10201212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10201212012 is an abundant number, since it is smaller than the sum of its proper divisors (13601616044).

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

10201212012 is a wasteful number, since it uses less digits than its factorization.

10201212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850101008 (or 850101006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10201212012 its reverse (21021210201), we get a palindrome (31222422213).

The spelling of 10201212012 in words is "ten billion, two hundred one million, two hundred twelve thousand, twelve".