212420331033 has 32 divisors (see below), whose sum is σ = 295443013632. Its totient is φ = 135604022400.

The previous prime is 212420331001. The next prime is 212420331083. The reversal of 212420331033 is 330133024212.

It is not a de Polignac number, because 212420331033 - 2⁵ = 212420331001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212420330994 and 212420331012.

It is not an unprimeable number, because it can be changed into a prime (212420331083) 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, 12645466 + ... + 12662252.

It is an arithmetic number, because the mean of its divisors is an integer number (9232594176).

Almost surely, 2^212420331033 is an apocalyptic number.

It is an amenable number.

212420331033 is a deficient number, since it is larger than the sum of its proper divisors (83022682599).

212420331033 is a wasteful number, since it uses less digits than its factorization.

212420331033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18245.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212420331033 its reverse (330133024212), we get a palindrome (542553355245).

The spelling of 212420331033 in words is "two hundred twelve billion, four hundred twenty million, three hundred thirty-one thousand, thirty-three".