20210012112009 has 8 divisors (see below), whose sum is σ = 28118277721152. Its totient is φ = 12887543955440.

The previous prime is 20210012111999. The next prime is 20210012112083. The reversal of 20210012112009 is 90021121001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20210012112009 - 2¹² = 20210012107913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210012110009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146449363062 + ... + 146449363199.

It is an arithmetic number, because the mean of its divisors is an integer number (3514784715144).

Almost surely, 2^{20210012112009} is an apocalyptic number.

It is an amenable number.

20210012112009 is a deficient number, since it is larger than the sum of its proper divisors (7908265609143).

20210012112009 is a wasteful number, since it uses less digits than its factorization.

20210012112009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292898726287.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 20210012112009 in words is "twenty trillion, two hundred ten billion, twelve million, one hundred twelve thousand, nine".