10100001212 has 24 divisors (see below), whose sum is σ = 20400008160. Its totient is φ = 4285713600.

The previous prime is 10100001211. The next prime is 10100001217. The reversal of 10100001212 is 21210000101.

It is a self number, because there is not a number n which added to its sum of digits gives 10100001212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100001211) 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, 1782887 + ... + 1788542.

It is an arithmetic number, because the mean of its divisors is an integer number (850000340).

Almost surely, 2^10100001212 is an apocalyptic number.

It is an amenable number.

10100001212 is an abundant number, since it is smaller than the sum of its proper divisors (10300006948).

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

10100001212 is a wasteful number, since it uses less digits than its factorization.

10100001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571541 (or 3571539 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10100001212 its reverse (21210000101), we get a palindrome (31310001313).

The spelling of 10100001212 in words is "ten billion, one hundred million, one thousand, two hundred twelve".