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212032232021 = 19439142917789
BaseRepresentation
bin1100010101111000011…
…0110001101001010101
3202021021220001101212102
43011132012301221111
511433220222411041
6241223430331445
721214233143441
oct3053606615125
9667256041772
10212032232021
1181a16738205
12351151b9b85
1316cc105a8ac
14a3960cd821
1557ae96009b
hex315e1b1a55

212032232021 has 16 divisors (see below), whose sum is σ = 223869360000. Its totient is φ = 200263565376.

The previous prime is 212032231991. The next prime is 212032232081. The reversal of 212032232021 is 120232230212.

It is a happy number.

212032232021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212032232021 - 226 = 211965123157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212032231984 and 212032232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032232081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11910395 + ... + 11928183.

It is an arithmetic number, because the mean of its divisors is an integer number (13991835000).

Almost surely, 2212032232021 is an apocalyptic number.

It is an amenable number.

212032232021 is a deficient number, since it is larger than the sum of its proper divisors (11837127979).

212032232021 is a wasteful number, since it uses less digits than its factorization.

212032232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19676.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212032232021 its reverse (120232230212), we get a palindrome (332264462233).

The spelling of 212032232021 in words is "two hundred twelve billion, thirty-two million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 19 439 1429 8341 17789 27151 337991 627331 7809371 11919289 25420481 148378049 482989139 11159591159 212032232021