20101012102212 has 12 divisors (see below), whose sum is σ = 46902361571856. Its totient is φ = 6700337367400.

The previous prime is 20101012102207. The next prime is 20101012102307. The reversal of 20101012102212 is 21220121010102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20101012102191 and 20101012102200.

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, 837542170914 + ... + 837542170937.

It is an arithmetic number, because the mean of its divisors is an integer number (3908530130988).

Almost surely, 2^{20101012102212} is an apocalyptic number.

It is an amenable number.

20101012102212 is an abundant number, since it is smaller than the sum of its proper divisors (26801349469644).

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

20101012102212 is a wasteful number, since it uses less digits than its factorization.

20101012102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675084341858 (or 1675084341856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20101012102212 its reverse (21220121010102), we get a palindrome (41321133112314).

The spelling of 20101012102212 in words is "twenty trillion, one hundred one billion, twelve million, one hundred two thousand, two hundred twelve".