212001021053 has 2 divisors, whose sum is σ = 212001021054. Its totient is φ = 212001021052.

The previous prime is 212001021047. The next prime is 212001021107. The reversal of 212001021053 is 350120100212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192718366009 + 19282655044 = 438997^2 + 138862^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001021053 - 2¹⁴ = 212001004669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001021853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000510526 + 106000510527.

It is an arithmetic number, because the mean of its divisors is an integer number (106000510527).

Almost surely, 2^212001021053 is an apocalyptic number.

It is an amenable number.

212001021053 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001021053 is an equidigital number, since it uses as much as digits as its factorization.

212001021053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 212001021053 its reverse (350120100212), we get a palindrome (562121121265).

The spelling of 212001021053 in words is "two hundred twelve billion, one million, twenty-one thousand, fifty-three".