20020102100012 has 48 divisors (see below), whose sum is σ = 40409364145920. Its totient is φ = 8500945142592.

The previous prime is 20020102099931. The next prime is 20020102100027. The reversal of 20020102100012 is 21000120102002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020102099966 and 20020102100002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73732043 + ... + 74003069.

It is an arithmetic number, because the mean of its divisors is an integer number (841861753040).

Almost surely, 2^{20020102100012} is an apocalyptic number.

It is an amenable number.

20020102100012 is an abundant number, since it is smaller than the sum of its proper divisors (20389262045908).

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

20020102100012 is a wasteful number, since it uses less digits than its factorization.

20020102100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295350 (or 295348 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020102100012 its reverse (21000120102002), we get a palindrome (41020222202014).

The spelling of 20020102100012 in words is "twenty trillion, twenty billion, one hundred two million, one hundred thousand, twelve".