212551021301 has 32 divisors (see below), whose sum is σ = 235915130880. Its totient is φ = 190675812096.

The previous prime is 212551021279. The next prime is 212551021409. The reversal of 212551021301 is 103120155212.

It is a cyclic number.

It is not a de Polignac number, because 212551021301 - 2¹⁴ = 212551004917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212551021201) 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, 5220260 + ... + 5260818.

It is an arithmetic number, because the mean of its divisors is an integer number (7372347840).

Almost surely, 2^212551021301 is an apocalyptic number.

It is an amenable number.

212551021301 is a deficient number, since it is larger than the sum of its proper divisors (23364109579).

212551021301 is a wasteful number, since it uses less digits than its factorization.

212551021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40793.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 212551021301 its reverse (103120155212), we get a palindrome (315671176513).

The spelling of 212551021301 in words is "two hundred twelve billion, five hundred fifty-one million, twenty-one thousand, three hundred one".