20101012202212 has 12 divisors (see below), whose sum is σ = 35176805082160. Its totient is φ = 10050496464456.

The previous prime is 20101012202209. The next prime is 20101012202213. The reversal of 20101012202212 is 21220221010102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20101012202213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4460803 + ... + 7752469.

Almost surely, 2^{20101012202212} is an apocalyptic number.

It is an amenable number.

20101012202212 is a deficient number, since it is larger than the sum of its proper divisors (15075792879948).

20101012202212 is a wasteful number, since it uses less digits than its factorization.

20101012202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818330 (or 4818328 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20101012202212 its reverse (21220221010102), we get a palindrome (41321233212314).

The spelling of 20101012202212 in words is "twenty trillion, one hundred one billion, twelve million, two hundred two thousand, two hundred twelve".