202122100012 has 48 divisors (see below), whose sum is σ = 405324960768. Its totient is φ = 86392373760.

The previous prime is 202122100009. The next prime is 202122100069. The reversal of 202122100012 is 210001221202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202122099965 and 202122100001.

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, 38270812 + ... + 38276092.

It is an arithmetic number, because the mean of its divisors is an integer number (8444270016).

Almost surely, 2^202122100012 is an apocalyptic number.

It is an amenable number.

202122100012 is an abundant number, since it is smaller than the sum of its proper divisors (203202860756).

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

202122100012 is a wasteful number, since it uses less digits than its factorization.

202122100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686 (or 8684 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202122100012 its reverse (210001221202), we get a palindrome (412123321214).

The spelling of 202122100012 in words is "two hundred two billion, one hundred twenty-two million, one hundred thousand, twelve".