212201202101009 has 16 divisors (see below), whose sum is σ = 242178069144960. Its totient is φ = 184048432719360.

The previous prime is 212201202101003. The next prime is 212201202101099. The reversal of 212201202101009 is 900101202102212.

212201202101009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212201202101009 - 2¹² = 212201202096913 is a prime.

It is a super-2 number, since 2×212201202101009² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201202101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077973472 + ... + 1078170305.

It is an arithmetic number, because the mean of its divisors is an integer number (15136129321560).

Almost surely, 2^{212201202101009} is an apocalyptic number.

It is an amenable number.

212201202101009 is a deficient number, since it is larger than the sum of its proper divisors (29976867043951).

212201202101009 is a wasteful number, since it uses less digits than its factorization.

212201202101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156144200.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 212201202101009 in words is "two hundred twelve trillion, two hundred one billion, two hundred two million, one hundred one thousand, nine".