212001019999999 has 16 divisors (see below), whose sum is σ = 216848934257472. Its totient is φ = 207184564707328.

The previous prime is 212001019999973. The next prime is 212001020000009. The reversal of 212001019999999 is 999999910100212.

It is a cyclic number.

It is not a de Polignac number, because 212001019999999 - 2¹³ = 212001019991807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001019999099) 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, 422177142 + ... + 422679004.

It is an arithmetic number, because the mean of its divisors is an integer number (13553058391092).

Almost surely, 2^{212001019999999} is an apocalyptic number.

212001019999999 is a deficient number, since it is larger than the sum of its proper divisors (4847914257473).

212001019999999 is a wasteful number, since it uses less digits than its factorization.

212001019999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533186.

The product of its (nonzero) digits is 19131876, while the sum is 70.

The spelling of 212001019999999 in words is "two hundred twelve trillion, one billion, nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".