1012201020212 has 24 divisors (see below), whose sum is σ = 1773818854920. Its totient is φ = 505396039680.

The previous prime is 1012201020071. The next prime is 1012201020217. The reversal of 1012201020212 is 2120201022101.

It can be written as a sum of positive squares in 4 ways, for example, as 1782021796 + 1010418998416 = 42214^2 + 1005196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012201020217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10271012 + ... + 10369092.

It is an arithmetic number, because the mean of its divisors is an integer number (73909118955).

Almost surely, 2^{1012201020212} is an apocalyptic number.

It is an amenable number.

1012201020212 is a deficient number, since it is larger than the sum of its proper divisors (761617834708).

1012201020212 is a wasteful number, since it uses less digits than its factorization.

1012201020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101651 (or 101649 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012201020212 its reverse (2120201022101), we get a palindrome (3132402042313).

The spelling of 1012201020212 in words is "one trillion, twelve billion, two hundred one million, twenty thousand, two hundred twelve".