212011112001009 has 32 divisors (see below), whose sum is σ = 287790057331200. Its totient is φ = 138803310858240.

The previous prime is 212011112000959. The next prime is 212011112001023. The reversal of 212011112001009 is 900100211110212.

212011112001009 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 212011112001009 - 2¹⁷ = 212011111869937 is a prime.

It is a super-2 number, since 2×212011112001009² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011112006009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410147487 + ... + 410664075.

It is an arithmetic number, because the mean of its divisors is an integer number (8993439291600).

Almost surely, 2^{212011112001009} is an apocalyptic number.

It is an amenable number.

212011112001009 is a deficient number, since it is larger than the sum of its proper divisors (75778945330191).

212011112001009 is a wasteful number, since it uses less digits than its factorization.

212011112001009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524745.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 212011112001009 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, one thousand, nine".