10201021012 has 48 divisors (see below), whose sum is σ = 21980851200. Its totient is φ = 4033838592.

The previous prime is 10201021001. The next prime is 10201021049. The reversal of 10201021012 is 21012010201.

It is a self number, because there is not a number n which added to its sum of digits gives 10201021012.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1148364 + ... + 1157212.

It is an arithmetic number, because the mean of its divisors is an integer number (457934400).

Almost surely, 2^10201021012 is an apocalyptic number.

It is an amenable number.

10201021012 is an abundant number, since it is smaller than the sum of its proper divisors (11779830188).

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

10201021012 is a wasteful number, since it uses less digits than its factorization.

10201021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12040 (or 12038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10201021012 its reverse (21012010201), we get a palindrome (31213031213).

The spelling of 10201021012 in words is "ten billion, two hundred one million, twenty-one thousand, twelve".