100010001212 has 12 divisors (see below), whose sum is σ = 190928184216. Its totient is φ = 45459091440.

The previous prime is 100010001197. The next prime is 100010001251. The reversal of 100010001212 is 212100010001.

100010001212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 100010001212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136477243 + ... + 1136477330.

It is an arithmetic number, because the mean of its divisors is an integer number (15910682018).

Almost surely, 2^100010001212 is an apocalyptic number.

It is an amenable number.

100010001212 is a deficient number, since it is larger than the sum of its proper divisors (90918183004).

100010001212 is a wasteful number, since it uses less digits than its factorization.

100010001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272954588 (or 2272954586 counting only the distinct ones).

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

Adding to 100010001212 its reverse (212100010001), we get a palindrome (312110011213).

It can be divided in two parts, 100010001 and 212, that multiplied together give a palindrome (21202120212).

The spelling of 100010001212 in words is "one hundred billion, ten million, one thousand, two hundred twelve".