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212211323132 = 221491777200371
BaseRepresentation
bin1100010110100011000…
…1111101000011111100
3202021202101001011200112
43011220301331003330
511434102044320012
6241253305045152
721221536325114
oct3055061750374
9667671034615
10212211323132
1181aa8839a96
12351651867b8
131701c1a3b73
14a3b1bcc044
1557c0539122
hex3168c7d0fc

212211323132 has 24 divisors (see below), whose sum is σ = 374074486800. Its totient is φ = 105333707520.

The previous prime is 212211323111. The next prime is 212211323147. The reversal of 212211323132 is 231323112212.

It is a junction number, because it is equal to n+sod(n) for n = 212211323098 and 212211323107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958907 + ... + 1159277.

It is an arithmetic number, because the mean of its divisors is an integer number (15586436950).

Almost surely, 2212211323132 is an apocalyptic number.

It is an amenable number.

212211323132 is a deficient number, since it is larger than the sum of its proper divisors (161863163668).

212211323132 is a wasteful number, since it uses less digits than its factorization.

212211323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202301 (or 202299 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 212211323132 its reverse (231323112212), we get a palindrome (443534435344).

The spelling of 212211323132 in words is "two hundred twelve billion, two hundred eleven million, three hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 149 298 596 1777 3554 7108 200371 264773 400742 529546 801484 1059092 29855279 59710558 119421116 356059267 712118534 1424237068 53052830783 106105661566 212211323132